US Bridges

County RD 30 over Dry CR

Good

Jasper County, Missouri · S 16 T 29 N R 29 W · Structure no. 32713

Built
2007
18 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
24 ft
3 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 30 over Dry CR is a concrete continuous culvert carrying County RD 30 over Dry CR in Jasper County, Missouri. It was built in 2007, so it is 18 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2044. The structure is 24 ft (7.2 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD 30
CrossesDry CR
LocationS 16 T 29 N R 29 W
RouteCounty Highway 136
Coordinates37.23495, -94.1086
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span7 ft (2.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic38 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 30 over Dry CR built?

It was built in 2007, making it 18 years old in 2025.

What condition is County RD 30 over Dry 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 December 2024.

How much traffic does County RD 30 over Dry CR carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 30 over Dry CR?

The structure is 24 ft (7.2 m) long with a longest span of 7 ft (2.1 m) and a deck 33 ft wide.

Who owns County RD 30 over Dry CR?

It is owned by the County Highway Agency.