US Bridges

CR 300E over Cobbs Fork Sand Creek

Good

Decatur County, Indiana · 00.40 N of CR 400 S · Structure no. 1600073

Built
1986
39 years old
Condition
Good
inspected April 2023
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
110
2017 count
Owner
County
County Highway Agency

About this bridge

CR 300E over Cobbs Fork Sand Creek is a steel culvert carrying CR 300E over Cobbs Fork Sand Creek in Decatur County, Indiana. It was built in 1986, so it is 39 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 5% of them trucks, projected to reach 170 by 2037. The structure is 24 ft (7.3 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 300E
CrossesCobbs Fork Sand Creek
Location00.40 N of CR 400 S
RouteCounty Highway 121
CountyDecatur County
StateIndiana
Coordinates39.28409, -85.42353
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width19 ft (5.7 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2017)
Projected traffic170 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 300E over Cobbs Fork Sand Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is CR 300E over Cobbs Fork Sand Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does CR 300E over Cobbs Fork Sand Creek carry?

About 110 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is CR 300E over Cobbs Fork Sand Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 19 ft wide.

Who owns CR 300E over Cobbs Fork Sand Creek?

It is owned by the County Highway Agency.