US Bridges

CR 400S over Big Blue River

Fair

Henry County, Indiana · 01.00 E of CR 375 W · Structure no. 3300120

Built
1920
105 years old, rebuilt 1972
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
250
2019 count
Owner
County
County Highway Agency

About this bridge

CR 400S over Big Blue River is a prestressed concrete box beam or girders - multiple carrying CR 400S over Big Blue River in Henry County, Indiana. It was built in 1920 and reconstructed in 1972, so it is 105 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 400 by 2039. The structure is 100 ft (30.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 400S
CrossesBig Blue River
Location01.00 E of CR 375 W
RouteCounty Highway 118
CountyHenry County
StateIndiana
Coordinates39.87361, -85.43906
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 inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length100 ft (30.4 m)
Longest span35 ft (10.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic400 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$110,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 400S over Big Blue River built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1972.

What condition is CR 400S over Big 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 August 2023.

How much traffic does CR 400S over Big Blue River carry?

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

How long is CR 400S over Big Blue River?

The structure is 100 ft (30.4 m) long with a longest span of 35 ft (10.6 m) and a deck 27 ft wide.

Who owns CR 400S over Big Blue River?

It is owned by the County Highway Agency.