US Bridges

County RD 304 over Br of Carter CR

Good

Osage County, Missouri · S 11 T 43 N R 8 W · Structure no. 28795

Built
2001
24 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
20 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 304 over Br of Carter CR is a concrete slab carrying County RD 304 over Br of Carter CR in Osage County, Missouri. It was built in 2001, so it is 24 years old, younger than the Missouri average of 45.1 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 140 by 2043. The structure is 20 ft (6.1 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 304
CrossesBr of Carter CR
LocationS 11 T 43 N R 8 W
RouteCounty Highway 102
Coordinates38.49689, -91.78958
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating51.6 US tons
Inventory rating34.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic140 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 County RD 304 over Br of Carter CR built?

It was built in 2001, making it 24 years old in 2025.

What condition is County RD 304 over Br of Carter CR 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 County RD 304 over Br of Carter CR carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 304 over Br of Carter CR?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns County RD 304 over Br of Carter CR?

It is owned by the County Highway Agency.