US Bridges

CR 600W over Thompson Branch

Good

Jefferson County, Indiana · 00.13 N of CR 150 N · Structure no. 3900027

Built
1984
41 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

CR 600W over Thompson Branch is a prestressed concrete box beam or girders - multiple carrying CR 600W over Thompson Branch in Jefferson County, Indiana. It was built in 1984, so it is 41 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2040. The structure is 35 ft (10.6 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR 600W
CrossesThompson Branch
Location00.13 N of CR 150 N
RouteCounty Highway 149
StateIndiana
Coordinates38.76171, -85.49863
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.8 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span33 ft (10 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic150 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 600W over Thompson Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is CR 600W over Thompson Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does CR 600W over Thompson Branch carry?

About 100 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is CR 600W over Thompson Branch?

The structure is 35 ft (10.6 m) long with a longest span of 33 ft (10 m) and a deck 24 ft wide.

Who owns CR 600W over Thompson Branch?

It is owned by the County Highway Agency.