US Bridges

SR 145 over Anderson River

Fair

Dubois County, Indiana · 02.01 S SR64 · Structure no. 027230

Built
1968
57 years old, rebuilt 1989
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
571
2014 count
Owner
State
State Highway Agency

About this bridge

SR 145 over Anderson River is a prestressed concrete continuous box beam or girders - multiple carrying SR 145 over Anderson River in Dubois County, Indiana. It was built in 1968 and reconstructed in 1989, so it is 57 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 571 vehicles a day, roughly 10% of them trucks, projected to reach 1,137 by 2032. The structure is 104 ft (31.6 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR 145
CrossesAnderson River
Location02.01 S SR64
RouteState Highway 145
CountyDubois County
StateIndiana
Coordinates38.28921, -86.68994
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.6 m)
Longest span34 ft (10.3 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic571 (2014)
Projected traffic1,137 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 145 over Anderson River built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1989.

What condition is SR 145 over Anderson 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 July 2024.

How much traffic does SR 145 over Anderson River carry?

About 571 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is SR 145 over Anderson River?

The structure is 104 ft (31.6 m) long with a longest span of 34 ft (10.3 m) and a deck 30 ft wide.

Who owns SR 145 over Anderson River?

It is owned by the State Highway Agency.