US Bridges

Grant Street over Prairie Creek

Good

Boone County, Indiana · 00.10 N of Washington St. · Structure no. 0600180

Built
1968
57 years old, rebuilt 2012
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
117 ft
3 main spans
Daily traffic
810
2017 count
Owner
County
County Highway Agency

About this bridge

Grant Street over Prairie Creek is a steel continuous stringer/multi-beam or girder carrying Grant Street over Prairie Creek in Boone County, Indiana. It was built in 1968 and reconstructed in 2012, so it is 57 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 810 vehicles a day, roughly 5% of them trucks, projected to reach 1,230 by 2037. The structure is 117 ft (35.8 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesGrant Street
CrossesPrairie Creek
Location00.10 N of Washington St.
RouteCity Street 0
StateIndiana
Coordinates40.049, -86.46022
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length117 ft (35.8 m)
Longest span39 ft (11.8 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2017)
Projected traffic1,230 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Grant Street over Prairie Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2012.

What condition is Grant Street over Prairie 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 September 2023.

How much traffic does Grant Street over Prairie Creek carry?

About 810 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Grant Street over Prairie Creek?

The structure is 117 ft (35.8 m) long with a longest span of 39 ft (11.8 m) and a deck 33 ft wide.

Who owns Grant Street over Prairie Creek?

It is owned by the County Highway Agency.