US Bridges

US 31 over Wolf Run

Fair

Clark County, Indiana · 00.20 N SR 160 · Structure no. 080720

Built
1929
96 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
5,735
2016 count
Owner
State
State Highway Agency

About this bridge

US 31 over Wolf Run is a concrete slab carrying US 31 over Wolf Run in Clark County, Indiana. It was built in 1929, so it is 96 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 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 5,735 vehicles a day, roughly 9% of them trucks, projected to reach 5,800 by 2036. The structure is 27 ft (8.2 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 31
CrossesWolf Run
Location00.20 N SR 160
RouteState Highway 31
StateIndiana
Coordinates38.54418, -85.76803
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width55 ft (16.9 m)
Roadway width53 ft (16.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,735 (2016)
Projected traffic5,800 by 2036
Trucks9%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 31 over Wolf Run built?

It was built in 1929, making it 96 years old in 2025.

What condition is US 31 over Wolf Run 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 April 2024.

How much traffic does US 31 over Wolf Run carry?

About 5,735 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is US 31 over Wolf Run?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 55 ft wide.

Who owns US 31 over Wolf Run?

It is owned by the State Highway Agency.