US Bridges

County RD 1830 over Bennett Br

FairPosted for load

Randolph County, Missouri · S 25 T 55 N R 13 W · Structure no. 15107

Built
1977
48 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1830 over Bennett Br is a concrete culvert carrying County RD 1830 over Bennett Br in Randolph County, Missouri. It was built in 1977, so it is 48 years old, older than the Missouri average of 45.1 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2043. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty RD 1830
CrossesBennett Br
LocationS 25 T 55 N R 13 W
RouteCounty Highway 85
CountyRandolph County
StateMissouri
Coordinates39.52618, -92.31817
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.8 US tons
Inventory rating9.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic39 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$153,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1830 over Bennett Br built?

It was built in 1977, making it 48 years old in 2025.

What condition is County RD 1830 over Bennett Br 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 December 2024.

How much traffic does County RD 1830 over Bennett Br carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1830 over Bennett Br?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 24 ft wide.

Who owns County RD 1830 over Bennett Br?

It is owned by the County Highway Agency.