US Bridges

County RD 76-443 over Brown Br

GoodPosted for load

Douglas County, Missouri · S 29 T 25 N R 17 W · Structure no. 18954

Built
1939
86 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
22 ft
3 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 76-443 over Brown Br is a concrete continuous slab carrying County RD 76-443 over Brown Br in Douglas County, Missouri. It was built in 1939, so it is 86 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 36 by 2044. The structure is 22 ft (6.7 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 76-443
CrossesBrown Br
LocationS 29 T 25 N R 17 W
RouteCounty Highway 205
Coordinates36.82636, -92.8363
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating23.8 US tons
Inventory rating13.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length22 ft (6.7 m)
Longest span7 ft (2.1 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic36 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 County RD 76-443 over Brown Br built?

It was built in 1939, making it 86 years old in 2025.

What condition is County RD 76-443 over Brown 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 February 2024.

How much traffic does County RD 76-443 over Brown Br carry?

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

How long is County RD 76-443 over Brown Br?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m) and a deck 18 ft wide.

Who owns County RD 76-443 over Brown Br?

It is owned by the County Highway Agency.