US Bridges

Bowers Knob RD over S Fork Blue River

FairPosted for load

Washington County, Indiana · 00.30 S of Blue River RD · Structure no. 8800092

Built
1992
33 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
154 ft
3 main spans
Daily traffic
352
2019 count
Owner
County
County Highway Agency

About this bridge

Bowers Knob RD over S Fork Blue River is a prestressed concrete box beam or girders - multiple carrying Bowers Knob RD over S Fork Blue River in Washington County, Indiana. It was built in 1992, so it is 33 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 352 vehicles a day, roughly 7% of them trucks, projected to reach 304 by 2032. The structure is 154 ft (46.9 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBowers Knob RD
CrossesS Fork Blue River
Location00.30 S of Blue River RD
RouteCounty Highway 0
StateIndiana
Coordinates38.52058, -85.93937
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating28.7 US tons
Inventory rating17.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span64 ft (19.5 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic352 (2019)
Projected traffic304 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Bowers Knob RD over S Fork Blue River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Bowers Knob RD over S Fork 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 June 2024.

How much traffic does Bowers Knob RD over S Fork Blue River carry?

About 352 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Bowers Knob RD over S Fork Blue River?

The structure is 154 ft (46.9 m) long with a longest span of 64 ft (19.5 m) and a deck 24 ft wide.

Who owns Bowers Knob RD over S Fork Blue River?

It is owned by the County Highway Agency.