US Bridges

US 31 NB over S Fork Deer Creek

Good

Miami County, Indiana · 01.33 S SR 18 · Structure no. 009810

Built
1972
53 years old, rebuilt 2019
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
105 ft
3 main spans
Daily traffic
10,086
2021 count
Owner
State
State Highway Agency

About this bridge

US 31 NB over S Fork Deer Creek is a steel continuous stringer/multi-beam or girder carrying US 31 NB over S Fork Deer Creek in Miami County, Indiana. It was built in 1972 and reconstructed in 2019, so it is 53 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,086 vehicles a day, roughly 7% of them trucks, projected to reach 13,465 by 2038. The structure is 105 ft (32 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 31 NB
CrossesS Fork Deer Creek
Location01.33 S SR 18
RouteU.S. Route 31
StateIndiana
Coordinates40.56559, -86.12716
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.6 US tons
Inventory rating72.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length105 ft (32 m)
Longest span42 ft (12.8 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,086 (2021)
Projected traffic13,465 by 2038
Trucks7%
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 S Fork Deer Creek built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2019.

What condition is US 31 NB over S Fork Deer Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does US 31 NB over S Fork Deer Creek carry?

About 10,086 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is US 31 NB over S Fork Deer Creek?

The structure is 105 ft (32 m) long with a longest span of 42 ft (12.8 m) and a deck 42 ft wide.

Who owns US 31 NB over S Fork Deer Creek?

It is owned by the State Highway Agency.