US Bridges

SR 450 over Salt Creek

Fair

Lawrence County, Indiana · 02.12 W SR 158 · Structure no. 032725

Built
1976
49 years old, rebuilt 1999
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
380 ft
5 main spans
Daily traffic
2,339
2004 count
Owner
State
State Highway Agency

About this bridge

SR 450 over Salt Creek is a steel continuous stringer/multi-beam or girder carrying SR 450 over Salt Creek in Lawrence County, Indiana. It was built in 1976 and reconstructed in 1999, so it is 49 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 2,339 vehicles a day, roughly 18% of them trucks, projected to reach 3,883 by 2032. The structure is 380 ft (115.8 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 450
CrossesSalt Creek
Location02.12 W SR 158
RouteState Highway 450
CountyLawrence County
StateIndiana
Coordinates38.84258, -86.54882
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length380 ft (115.8 m)
Longest span81 ft (24.8 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,339 (2004)
Projected traffic3,883 by 2032
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 450 over Salt Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1999.

What condition is SR 450 over Salt Creek 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 2024.

How much traffic does SR 450 over Salt Creek carry?

About 2,339 vehicles per day (2004 count), of which roughly 18% are trucks.

How long is SR 450 over Salt Creek?

The structure is 380 ft (115.8 m) long with a longest span of 81 ft (24.8 m) and a deck 40 ft wide.

Who owns SR 450 over Salt Creek?

It is owned by the State Highway Agency.