US Bridges

Koenig RD over Trib of Bourbeuse

Fair

Gasconade County, Missouri · S 9 T 40 N R 5 W · Structure no. 18223

Built
1962
63 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Koenig RD over Trib of Bourbeuse is a steel stringer/multi-beam or girder carrying Koenig RD over Trib of Bourbeuse in Gasconade County, Missouri. It was built in 1962, so it is 63 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.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 2044. The structure is 60 ft (18.3 m) long and 13 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesKoenig RD
CrossesTrib of Bourbeuse
LocationS 9 T 40 N R 5 W
RouteCounty Highway 177
CountyGasconade County
StateMissouri
Coordinates38.22556, -91.49481
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.8 US tons
Inventory rating19.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width13 ft (4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic30 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Koenig RD over Trib of Bourbeuse built?

It was built in 1962, making it 63 years old in 2025.

What condition is Koenig 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 Koenig RD over Trib of Bourbeuse carry?

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

How long is Koenig RD over Trib of Bourbeuse?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 13 ft wide.

Who owns Koenig RD over Trib of Bourbeuse?

It is owned by the County Highway Agency.