US Bridges

SR 29 over Little Rock Creek

Fair

Carroll County, Indiana · 01.02 N SR 218 · Structure no. 007970

Built
1992
33 years old, rebuilt 2015
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
2,642
2020 count
Owner
State
State Highway Agency

About this bridge

SR 29 over Little Rock Creek is a concrete continuous slab carrying SR 29 over Little Rock Creek in Carroll County, Indiana. It was built in 1992 and reconstructed in 2015, 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 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 2,642 vehicles a day, roughly 30% of them trucks, projected to reach 5,771 by 2030. The structure is 89 ft (27.1 m) long and 48 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR 29
CrossesLittle Rock Creek
Location01.02 N SR 218
RouteState Highway 29
StateIndiana
Coordinates40.67797, -86.39153
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span35 ft (10.6 m)
Deck width48 ft (14.7 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,642 (2020)
Projected traffic5,771 by 2030
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 29 over Little Rock Creek built?

It was built in 1992, making it 33 years old in 2025. It was reconstructed in 2015.

What condition is SR 29 over Little 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 November 2023.

How much traffic does SR 29 over Little Rock Creek carry?

About 2,642 vehicles per day (2020 count), of which roughly 30% are trucks.

How long is SR 29 over Little Rock Creek?

The structure is 89 ft (27.1 m) long with a longest span of 35 ft (10.6 m) and a deck 48 ft wide.

Who owns SR 29 over Little Rock Creek?

It is owned by the State Highway Agency.