US Bridges

Base Road over Little Blue River

Fair

Rush County, Indiana · 00.20 E of CR 1000 W · Structure no. 7000111

Built
1930
95 years old, rebuilt 1971
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
91 ft
3 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

Base Road over Little Blue River is a concrete channel beam carrying Base Road over Little Blue River in Rush County, Indiana. It was built in 1930 and reconstructed in 1971, so it is 95 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 6 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2039. The structure is 91 ft (27.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBase Road
CrossesLittle Blue River
Location00.20 E of CR 1000 W
RouteCounty Highway 0
StateIndiana
Coordinates39.61118, -85.62889
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.8 US tons
Inventory rating38.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic150 by 2039
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 Base Road over Little Blue River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1971.

What condition is Base Road 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 May 2023.

How much traffic does Base Road over Little Blue River carry?

About 100 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Base Road over Little Blue River?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Base Road over Little Blue River?

It is owned by the County Highway Agency.