US Bridges

Kohrman RD over Brushy Br

Good

Gasconade County, Missouri · S 2 T 42 N R 6 W · Structure no. 35778

Built
2017
8 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
22 ft
2 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Kohrman RD over Brushy Br is a concrete slab carrying Kohrman RD over Brushy Br in Gasconade County, Missouri. It was built in 2017, so it is 8 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 8 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 30 by 2044. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesKohrman RD
CrossesBrushy Br
LocationS 2 T 42 N R 6 W
RouteCounty Highway 78
Coordinates38.41653, -91.55661
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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3.2 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic30 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Kohrman RD over Brushy Br built?

It was built in 2017, making it 8 years old in 2025.

What condition is Kohrman RD over Brushy Br 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 Kohrman RD over Brushy Br carry?

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

How long is Kohrman RD over Brushy Br?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3.2 m) and a deck 26 ft wide.

Who owns Kohrman RD over Brushy Br?

It is owned by the County Highway Agency.