US Bridges

3rd ST over Back Creek

Good

Grant County, Indiana · 00.14 MI W of Main ST · Structure no. 2700150

Built
2000
25 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
580
2021 count
Owner
County
County Highway Agency

About this bridge

3rd ST over Back Creek is a prestressed concrete box beam or girders - multiple carrying 3rd ST over Back Creek in Grant County, Indiana. It was built in 2000, so it is 25 years old, younger 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 580 vehicles a day, roughly 5% of them trucks, projected to reach 890 by 2041. The structure is 41 ft (12.4 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries3rd ST
CrossesBack Creek
Location00.14 MI W of Main ST
RouteCity Street 0
StateIndiana
Coordinates40.4182, -85.65257
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span39 ft (11.8 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2021)
Projected traffic890 by 2041
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 3rd ST over Back Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is 3rd ST over Back 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 October 2023.

How much traffic does 3rd ST over Back Creek carry?

About 580 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 3rd ST over Back Creek?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (11.8 m) and a deck 23 ft wide.

Who owns 3rd ST over Back Creek?

It is owned by the County Highway Agency.