US Bridges

County RD 446 over Brazeau CR

Fair

Perry County, Missouri · S 2176 T 34 N R 13 E · Structure no. 17954

Built
1905
120 years old, rebuilt 1985
Condition
Fair
inspected January 2025
Type
Tee Beam
Prestressed Concrete
Length
113 ft
3 main spans
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 446 over Brazeau CR is a prestressed concrete tee beam carrying County RD 446 over Brazeau CR in Perry County, Missouri. It was built in 1905 and reconstructed in 1985, so it is 120 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 34 by 2043. The structure is 113 ft (34.4 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty RD 446
CrossesBrazeau CR
LocationS 2176 T 34 N R 13 E
RouteCounty Highway 168
Coordinates37.66423, -89.57008
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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length113 ft (34.4 m)
Longest span83 ft (25.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic34 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 446 over Brazeau CR built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1985.

What condition is County RD 446 over Brazeau CR 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 January 2025.

How much traffic does County RD 446 over Brazeau CR carry?

About 25 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 446 over Brazeau CR?

The structure is 113 ft (34.4 m) long with a longest span of 83 ft (25.3 m) and a deck 27 ft wide.

Who owns County RD 446 over Brazeau CR?

It is owned by the County Highway Agency.