US Bridges

SR 28 over Rock Creek

Fair

Warren County, Indiana · 00.66 E SR 263 · Structure no. 007590

Built
1932
93 years old, rebuilt 1986
Condition
Fair
inspected January 2024
Type
Arch - Deck
Concrete
Length
52 ft
1 main span
Daily traffic
4,167
2021 count
Owner
State
State Highway Agency

About this bridge

SR 28 over Rock Creek is a concrete arch - deck carrying SR 28 over Rock Creek in Warren County, Indiana. It was built in 1932 and reconstructed in 1986, 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 4,167 vehicles a day, roughly 8% of them trucks, projected to reach 4,904 by 2032. The structure is 52 ft (16 m) long and 32 ft wide. If it were closed, the detour would be 30.4 mi (49 km).

Location

Open in Google Maps
CarriesSR 28
CrossesRock Creek
Location00.66 E SR 263
RouteState Highway 28
CountyWarren County
StateIndiana
Coordinates40.27988, -87.37421
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating64 US tons
Inventory rating38.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length52 ft (16 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,167 (2021)
Projected traffic4,904 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed30.4 mi (49 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 28 over Rock Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1986.

What condition is SR 28 over Rock 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 January 2024.

How much traffic does SR 28 over Rock Creek carry?

About 4,167 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is SR 28 over Rock Creek?

The structure is 52 ft (16 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns SR 28 over Rock Creek?

It is owned by the State Highway Agency.