US Bridges

SR 66 over Anderson River

Fair

Spencer County, Indiana · 00.69 W SR 545 · Structure no. 023550

Built
1949
76 years old, rebuilt 2019
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
374 ft
3 main spans
Daily traffic
5,700
2018 count
Owner
State
State Highway Agency

About this bridge

SR 66 over Anderson River is a steel continuous stringer/multi-beam or girder carrying SR 66 over Anderson River in Spencer County, Indiana. It was built in 1949 and reconstructed in 2019, so it is 76 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 5,700 vehicles a day, roughly 13% of them trucks, projected to reach 8,118 by 2032. The structure is 374 ft (113.9 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR 66
CrossesAnderson River
Location00.69 W SR 545
RouteState Highway 66
CountySpencer County
StateIndiana
Coordinates37.99953, -86.81274
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length374 ft (113.9 m)
Longest span108 ft (32.9 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2018)
Projected traffic8,118 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$328,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 66 over Anderson River built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2019.

What condition is SR 66 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 March 2023.

How much traffic does SR 66 over Anderson River carry?

About 5,700 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is SR 66 over Anderson River?

The structure is 374 ft (113.9 m) long with a longest span of 108 ft (32.9 m) and a deck 32 ft wide.

Who owns SR 66 over Anderson River?

It is owned by the State Highway Agency.