US Bridges

CR 400S over Walnut Creek

Fair

Grant County, Indiana · 02.04 MI E of SR 5 · Structure no. 2700064

Built
1950
75 years old, rebuilt 2001
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
130
2021 count
Owner
County
County Highway Agency

About this bridge

CR 400S over Walnut Creek is a prestressed concrete box beam or girders - multiple carrying CR 400S over Walnut Creek in Grant County, Indiana. It was built in 1950 and reconstructed in 2001, so it is 75 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 5 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 130 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2041. The structure is 29 ft (8.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 400S
CrossesWalnut Creek
Location02.04 MI E of SR 5
RouteCounty Highway 234
CountyGrant County
StateIndiana
Coordinates40.49372, -85.46365
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating56.3 US tons
Inventory rating43.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span27 ft (8.1 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2021)
Projected traffic200 by 2041
Trucks5%
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

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 CR 400S over Walnut Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2001.

What condition is CR 400S over Walnut Creek 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 October 2023.

How much traffic does CR 400S over Walnut Creek carry?

About 130 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is CR 400S over Walnut Creek?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.1 m) and a deck 24 ft wide.

Who owns CR 400S over Walnut Creek?

It is owned by the County Highway Agency.