US Bridges

Hog Trough RD over Trib of Bourbeuse

Good

Gasconade County, Missouri · S 36 T 41 N R 5 W · Structure no. 18432

Built
1974
51 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Hog Trough RD over Trib of Bourbeuse is a concrete culvert carrying Hog Trough RD over Trib of Bourbeuse in Gasconade County, Missouri. It was built in 1974, so it is 51 years old, older 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2044. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesHog Trough RD
CrossesTrib of Bourbeuse
LocationS 36 T 41 N R 5 W
RouteCounty Highway 185
Coordinates38.24556, -91.42533
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic42 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Hog Trough RD over Trib of Bourbeuse built?

It was built in 1974, making it 51 years old in 2025.

What condition is Hog Trough RD over Trib of Bourbeuse 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 March 2024.

How much traffic does Hog Trough RD over Trib of Bourbeuse carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Hog Trough RD over Trib of Bourbeuse?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 23 ft wide.

Who owns Hog Trough RD over Trib of Bourbeuse?

It is owned by the County Highway Agency.