US Bridges

CR 400 North over Walnut Creek

Fair

Blackford County, Indiana · 00.00 E of 100 W · Structure no. 0500069

Built
1975
50 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
110
2011 count
Owner
County
County Highway Agency

About this bridge

CR 400 North over Walnut Creek is a concrete slab carrying CR 400 North over Walnut Creek in Blackford County, Indiana. It was built in 1975, so it is 50 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 110 vehicles a day, roughly 5% of them trucks, projected to reach 148 by 2031. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 400 North
CrossesWalnut Creek
Location00.00 E of 100 W
RouteCounty Highway 400
CountyBlackford County
StateIndiana
Coordinates40.50862, -85.38929
Functional classRural Minor Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span21 ft (6.3 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2011)
Projected traffic148 by 2031
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 400 North over Walnut Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is CR 400 North 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 2024.

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

About 110 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is CR 400 North over Walnut Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.3 m) and a deck 32 ft wide.

Who owns CR 400 North over Walnut Creek?

It is owned by the County Highway Agency.