US Bridges

US 24 WB over US 31

Fair

Miami County, Indiana · 03.79 W SR 19 · Structure no. 006021

Built
1976
49 years old, rebuilt 2000
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
2 main spans
Daily traffic
4,672
2021 count
Owner
State
State Highway Agency

About this bridge

US 24 WB over US 31 is a steel continuous stringer/multi-beam or girder carrying US 24 WB over US 31 in Miami County, Indiana. It was built in 1976 and reconstructed in 2000, so it is 49 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 4,672 vehicles a day, roughly 31% of them trucks, projected to reach 10,908 by 2029. The structure is 254 ft (77.4 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 24 WB
CrossesUS 31
Location03.79 W SR 19
RouteU.S. Route 24
StateIndiana
Coordinates40.77221, -86.12833
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span125 ft (38 m)
Deck width57 ft (17.4 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,672 (2021)
Projected traffic10,908 by 2029
Trucks31%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 24 WB over US 31 built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2000.

What condition is US 24 WB over US 31 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 US 24 WB over US 31 carry?

About 4,672 vehicles per day (2021 count), of which roughly 31% are trucks.

How long is US 24 WB over US 31?

The structure is 254 ft (77.4 m) long with a longest span of 125 ft (38 m) and a deck 57 ft wide.

Who owns US 24 WB over US 31?

It is owned by the State Highway Agency.