US Bridges

CR 400W over Little Blue River

Fair

Rush County, Indiana · 00.20 N of CR 500N · Structure no. 7000097

Built
1900
125 years old, rebuilt 1972
Condition
Fair
inspected April 2023
Type
Channel Beam
Concrete
Length
52 ft
2 main spans
Daily traffic
250
2019 count
Owner
County
County Highway Agency

About this bridge

CR 400W over Little Blue River is a concrete channel beam carrying CR 400W over Little Blue River in Rush County, Indiana. It was built in 1900 and reconstructed in 1972, so it is 125 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 250 vehicles a day, roughly 8% of them trucks, projected to reach 350 by 2039. The structure is 52 ft (15.8 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 400W
CrossesLittle Blue River
Location00.20 N of CR 500N
RouteCounty Highway 47
CountyRush County
StateIndiana
Coordinates39.68697, -85.52052
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.3 US tons
Inventory rating41 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span25 ft (7.5 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic350 by 2039
Trucks8%
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 400W over Little Blue River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1972.

What condition is CR 400W over Little Blue River 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 April 2023.

How much traffic does CR 400W over Little Blue River carry?

About 250 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is CR 400W over Little Blue River?

The structure is 52 ft (15.8 m) long with a longest span of 25 ft (7.5 m) and a deck 24 ft wide.

Who owns CR 400W over Little Blue River?

It is owned by the County Highway Agency.