US Bridges

State Line Road over Simpson Creek

Fair

Jay County, Indiana · 0.7 Miles South of SR 26 · Structure no. 3800026

Built
1985
40 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
277
2019 count
Owner
County
County Highway Agency

About this bridge

State Line Road over Simpson Creek is a prestressed concrete box beam or girders - multiple carrying State Line Road over Simpson Creek in Jay County, Indiana. It was built in 1985, so it is 40 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 277 vehicles a day, roughly 5% of them trucks, projected to reach 341 by 2039. The structure is 52 ft (15.8 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesState Line Road
CrossesSimpson Creek
Location0.7 Miles South of SR 26
RouteCounty Highway 0
StateIndiana
Coordinates40.40675, -84.80419
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic277 (2019)
Projected traffic341 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 State Line Road over Simpson Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is State Line Road over Simpson Creek 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 November 2024.

How much traffic does State Line Road over Simpson Creek carry?

About 277 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is State Line Road over Simpson Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns State Line Road over Simpson Creek?

It is owned by the County Highway Agency.