US Bridges

CR 300S over Walnut Creek

Fair

Montgomery County, Indiana · 00.10 E of US 136 · Structure no. 5400052

Built
1976
49 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

CR 300S over Walnut Creek is a concrete continuous slab carrying CR 300S over Walnut Creek in Montgomery County, Indiana. It was built in 1976, 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 180 by 2042. The structure is 112 ft (34.2 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCR 300S
CrossesWalnut Creek
Location00.10 E of US 136
RouteCounty Highway 34
CountyMontgomery County
StateIndiana
Coordinates39.99592, -86.76327
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95.3 US tons
Inventory rating57.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.2 m)
Longest span45 ft (13.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic180 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$150,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 300S over Walnut Creek built?

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

What condition is CR 300S over Walnut 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 April 2024.

How much traffic does CR 300S over Walnut Creek carry?

About 150 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 300S over Walnut Creek?

The structure is 112 ft (34.2 m) long with a longest span of 45 ft (13.7 m) and a deck 26 ft wide.

Who owns CR 300S over Walnut Creek?

It is owned by the County Highway Agency.