US Bridges

US 31 NB over Yellow River

Fair

Marshall County, Indiana · 00.88 N US 30 · Structure no. 010100

Built
1960
65 years old, rebuilt 2015
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
196 ft
3 main spans
Daily traffic
14,402
2012 count
Owner
State
State Highway Agency

About this bridge

US 31 NB over Yellow River is a steel continuous stringer/multi-beam or girder carrying US 31 NB over Yellow River in Marshall County, Indiana. It was built in 1960 and reconstructed in 2015, so it is 65 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 14,402 vehicles a day, roughly 16% of them trucks, projected to reach 16,294 by 2030. The structure is 196 ft (59.7 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 31 NB
CrossesYellow River
Location00.88 N US 30
RouteU.S. Route 31
StateIndiana
Coordinates41.36174, -86.27326
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span72 ft (21.9 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,402 (2012)
Projected traffic16,294 by 2030
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 Yellow River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2015.

What condition is US 31 NB over Yellow River 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 September 2023.

How much traffic does US 31 NB over Yellow River carry?

About 14,402 vehicles per day (2012 count), of which roughly 16% are trucks.

How long is US 31 NB over Yellow River?

The structure is 196 ft (59.7 m) long with a longest span of 72 ft (21.9 m) and a deck 42 ft wide.

Who owns US 31 NB over Yellow River?

It is owned by the State Highway Agency.