FOUR MILE HOUSE RD
FOUR MILE HOUSE RD in 3.6mi West Of Exit 91, Sandusky County, Ohio received a condition grade of C (48/100). Built in 1954, the bridge carries 300K vehicles daily on FOUR MILE HOUSE RD over I80 Ohio Tpk.
FOUR MILE HOUSE RD carries a C on the BridgeSafety Condition Score with 48/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1954 and is now 72 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. FOUR MILE HOUSE RD carries an average daily traffic count of 300,000 vehicles, with 2 lane(s) crossing I80 Ohio Tpk. The owning agency is State Toll Authority; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
FOUR MILE HOUSE RD is a 72-year-old bridge located 3.6mi West Of Exit 91 in Sandusky County, Ohio. The bridge carries FOUR MILE HOUSE RD over I80 Ohio Tpk with 2 traffic lanes, handling approximately 300K vehicles per day. Built in 1954 and reconstructed in 1989, the structure spans 60.4 meters.
The bridge received a Condition Grade of C (48/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 5/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by State Toll Authority.
Location Map
Frequently Asked Questions
FOUR MILE HOUSE RD has a Condition Score of 48/100 (Grade C). Its deck is rated 6/9, superstructure 5/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
FOUR MILE HOUSE RD was built in 1954 and reconstructed in 1989, making it 72 years old. The average bridge age in the United States is 48 years.
FOUR MILE HOUSE RD carries approximately 300K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 60.4 meters long and located on FOUR MILE HOUSE RD in 3.6mi West Of Exit 91, Sandusky County, Ohio.
No, FOUR MILE HOUSE RD is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
FOUR MILE HOUSE RD is located 3.6mi West Of Exit 91 in Sandusky County, Ohio. The bridge carries FOUR MILE HOUSE RD over I80 Ohio Tpk. Its coordinates are 41.422569, -83.174039. It is maintained by State Toll Authority.
FOUR MILE HOUSE RD carries FOUR MILE HOUSE RD over I80 Ohio Tpk. The bridge is 60.4 meters long and was built in 1954, with reconstruction in 1989.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.