US Bridges

SR 99 over Over CSX RR

Fair

Huron County, Ohio · .37 Miles North of SR103 · Structure no. 3902285

Built
1961
64 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
138 ft
3 main spans
Daily traffic
4,930
2015 count
Owner
State
State Highway Agency

About this bridge

SR 99 over Over CSX RR is a concrete continuous slab carrying SR 99 over Over CSX RR in Huron County, Ohio. It was built in 1961, so it is 64 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,930 vehicles a day, roughly 11% of them trucks, projected to reach 6,843 by 2035. The structure is 138 ft (42.1 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 99
CrossesOver CSX RR
Location.37 Miles North of SR103
RouteState Highway 99
CountyHuron County
StateOhio
Coordinates41.05837, -82.71636
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length138 ft (42.1 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.9 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,930 (2015)
Projected traffic6,843 by 2035
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 99 over Over CSX RR built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 99 over Over CSX RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does SR 99 over Over CSX RR carry?

About 4,930 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is SR 99 over Over CSX RR?

The structure is 138 ft (42.1 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns SR 99 over Over CSX RR?

It is owned by the State Highway Agency.