US Bridges

Usr 20A over Ai Creek

Good

Lucas County, Ohio · 0.63 Mi. E. of SR 64 · Structure no. 4800966

Built
1967
58 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
14,800
2019 count
Owner
State
State Highway Agency

About this bridge

Usr 20A over Ai Creek is a concrete continuous slab carrying Usr 20A over Ai Creek in Lucas County, Ohio. It was built in 1967, so it is 58 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,800 vehicles a day, roughly 9% of them trucks, projected to reach 23,374 by 2039. The structure is 93 ft (28.3 m) long and 61 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesUsr 20A
CrossesAi Creek
Location0.63 Mi. E. of SR 64
RouteU.S. Route 20
StateOhio
Coordinates41.58258, -83.86127
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width61 ft (18.6 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,800 (2019)
Projected traffic23,374 by 2039
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Usr 20A over Ai Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Usr 20A over Ai Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Usr 20A over Ai Creek carry?

About 14,800 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Usr 20A over Ai Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 61 ft wide.

Who owns Usr 20A over Ai Creek?

It is owned by the State Highway Agency.