US Bridges

SR 15 over Branch Grant Creek

Good

Wabash County, Indiana · 01.33 N SR 218 · Structure no. 003940

Built
1949
76 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
39 ft
1 main span
Daily traffic
5,316
2018 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Branch Grant Creek is a concrete culvert carrying SR 15 over Branch Grant Creek in Wabash County, Indiana. It was built in 1949, so it is 76 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 5,316 vehicles a day, roughly 11% of them trucks, projected to reach 8,827 by 2031. The structure is 39 ft (11.8 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 15
CrossesBranch Grant Creek
Location01.33 N SR 218
RouteState Highway 15
StateIndiana
Coordinates40.68283, -85.73484
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating51.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span25 ft (7.6 m)
Deck width48 ft (14.7 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,316 (2018)
Projected traffic8,827 by 2031
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 SR 15 over Branch Grant Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is SR 15 over Branch Grant 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 June 2023.

How much traffic does SR 15 over Branch Grant Creek carry?

About 5,316 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is SR 15 over Branch Grant Creek?

The structure is 39 ft (11.8 m) long with a longest span of 25 ft (7.6 m) and a deck 48 ft wide.

Who owns SR 15 over Branch Grant Creek?

It is owned by the State Highway Agency.