US Bridges

Brandenburger RD over Trib of Bourbeuse

FairPosted for load

Gasconade County, Missouri · S 11 T 40 N R 5 W · Structure no. 18344

Built
1934
91 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
66
2024 count
Owner
County
County Highway Agency

About this bridge

Brandenburger RD over Trib of Bourbeuse is a concrete tee beam carrying Brandenburger RD over Trib of Bourbeuse in Gasconade County, Missouri. It was built in 1934, so it is 91 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 5 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 66 vehicles a day, roughly 10% of them trucks, projected to reach 79 by 2044. The structure is 32 ft (9.8 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBrandenburger RD
CrossesTrib of Bourbeuse
LocationS 11 T 40 N R 5 W
RouteCounty Highway 182
CountyGasconade County
StateMissouri
Coordinates38.21942, -91.45753
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating11.9 US tons
Inventory rating8.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2024)
Projected traffic79 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$311,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Brandenburger RD over Trib of Bourbeuse built?

It was built in 1934, making it 91 years old in 2025.

What condition is Brandenburger RD over Trib of Bourbeuse 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 March 2024.

How much traffic does Brandenburger RD over Trib of Bourbeuse carry?

About 66 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Brandenburger RD over Trib of Bourbeuse?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns Brandenburger RD over Trib of Bourbeuse?

It is owned by the County Highway Agency.