US Bridges

SR 99 over Trib of W Br Huron River

Good

Huron County, Ohio · 2.81 Miles North of SR103 · Structure no. 3902315

Built
1965
60 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
3,001
2015 count
Owner
State
State Highway Agency

About this bridge

SR 99 over Trib of W Br Huron River is a concrete continuous slab carrying SR 99 over Trib of W Br Huron River in Huron County, Ohio. It was built in 1965, so it is 60 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 3,001 vehicles a day, roughly 17% of them trucks, projected to reach 4,165 by 2035. The structure is 60 ft (18.3 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 99
CrossesTrib of W Br Huron River
Location2.81 Miles North of SR103
RouteState Highway 99
StateOhio
Coordinates41.0935, -82.71853
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width40 ft (12.2 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,001 (2015)
Projected traffic4,165 by 2035
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 SR 99 over Trib of W Br Huron River built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR 99 over Trib of W Br Huron River 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 March 2023.

How much traffic does SR 99 over Trib of W Br Huron River carry?

About 3,001 vehicles per day (2015 count), of which roughly 17% are trucks.

How long is SR 99 over Trib of W Br Huron River?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 40 ft wide.

Who owns SR 99 over Trib of W Br Huron River?

It is owned by the State Highway Agency.