US Bridges

Oolitic Road over Salt Creek

Fair

Lawrence County, Indiana · 01.37 N of SR 58 · Structure no. 4700123

Built
1935
90 years old, rebuilt 1990
Condition
Fair
inspected June 2024
Type
Arch - Deck
Concrete
Length
290 ft
3 main spans
Daily traffic
4,450
2021 count
Owner
County
County Highway Agency

About this bridge

Oolitic Road over Salt Creek is a concrete arch - deck carrying Oolitic Road over Salt Creek in Lawrence County, Indiana. It was built in 1935 and reconstructed in 1990, so it is 90 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 4,450 vehicles a day, roughly 15% of them trucks, projected to reach 4,450 by 2041. The structure is 290 ft (88.5 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOolitic Road
CrossesSalt Creek
Location01.37 N of SR 58
RouteCity Street 425
StateIndiana
Coordinates38.88848, -86.50871
Functional classUrban 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.
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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating34.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckOther
Main spans3
Design loadHS 20
Structure length290 ft (88.5 m)
Longest span148 ft (45.1 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2021)
Projected traffic4,450 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$800,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oolitic Road over Salt Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1990.

What condition is Oolitic Road 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 June 2024.

How much traffic does Oolitic Road over Salt Creek carry?

About 4,450 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Oolitic Road over Salt Creek?

The structure is 290 ft (88.5 m) long with a longest span of 148 ft (45.1 m) and a deck 35 ft wide.

Who owns Oolitic Road over Salt Creek?

It is owned by the County Highway Agency.