US Bridges

US 31 NB over Prairie Creek

Fair

Tipton County, Indiana · 03.23 S SR 28 · Structure no. 009670

Built
1959
66 years old, rebuilt 2021
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
14,559
2021 count
Owner
State
State Highway Agency

About this bridge

US 31 NB over Prairie Creek is a concrete continuous slab carrying US 31 NB over Prairie Creek in Tipton County, Indiana. It was built in 1959 and reconstructed in 2021, so it is 66 years old, older 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 14,559 vehicles a day, roughly 15% of them trucks, projected to reach 20,100 by 2038. The structure is 101 ft (30.9 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 31 NB
CrossesPrairie Creek
Location03.23 S SR 28
RouteU.S. Route 31
CountyTipton County
StateIndiana
Coordinates40.22879, -86.12792
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.9 m)
Longest span40 ft (12.1 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,559 (2021)
Projected traffic20,100 by 2038
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 31 NB over Prairie Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2021.

What condition is US 31 NB over Prairie 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 August 2024.

How much traffic does US 31 NB over Prairie Creek carry?

About 14,559 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US 31 NB over Prairie Creek?

The structure is 101 ft (30.9 m) long with a longest span of 40 ft (12.1 m) and a deck 44 ft wide.

Who owns US 31 NB over Prairie Creek?

It is owned by the State Highway Agency.