US Bridges

SR 1 over Slab Camp Creek

Fair

Dearborn County, Indiana · 05.70 S I-74 · Structure no. 000040

Built
1932
93 years old, rebuilt 1973
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
39 ft
1 main span
Daily traffic
4,241
2014 count
Owner
State
State Highway Agency

About this bridge

SR 1 over Slab Camp Creek is a concrete culvert carrying SR 1 over Slab Camp Creek in Dearborn County, Indiana. It was built in 1932 and reconstructed in 1973, so it is 93 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 4,241 vehicles a day, roughly 10% of them trucks, projected to reach 4,195 by 2033. The structure is 39 ft (11.8 m) long and 44 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesSR 1
CrossesSlab Camp Creek
Location05.70 S I-74
RouteState Highway 1
CountyDearborn County
StateIndiana
Coordinates39.20451, -84.92706
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating97.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length39 ft (11.8 m)
Longest span36 ft (10.9 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,241 (2014)
Projected traffic4,195 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 1 over Slab Camp Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1973.

What condition is SR 1 over Slab Camp 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 July 2023.

How much traffic does SR 1 over Slab Camp Creek carry?

About 4,241 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is SR 1 over Slab Camp Creek?

The structure is 39 ft (11.8 m) long with a longest span of 36 ft (10.9 m) and a deck 44 ft wide.

Who owns SR 1 over Slab Camp Creek?

It is owned by the State Highway Agency.