US Bridges

County RD 572 over Br of Spencer CR

Fair

Audrain County, Missouri · S 3 T 52 N R 6 W · Structure no. 35471

Built
2016
9 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
5
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 572 over Br of Spencer CR is a concrete slab carrying County RD 572 over Br of Spencer CR in Audrain County, Missouri. It was built in 2016, so it is 9 years old, younger 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 6 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2043. The structure is 37 ft (11.4 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCounty RD 572
CrossesBr of Spencer CR
LocationS 3 T 52 N R 6 W
RouteCounty Highway 431
CountyAudrain County
StateMissouri
Coordinates39.32264, -91.55272
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
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span32 ft (9.9 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2023)
Projected traffic6 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 County RD 572 over Br of Spencer CR built?

It was built in 2016, making it 9 years old in 2025.

What condition is County RD 572 over Br of Spencer 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 March 2023.

How much traffic does County RD 572 over Br of Spencer CR carry?

About 5 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 572 over Br of Spencer CR?

The structure is 37 ft (11.4 m) long with a longest span of 32 ft (9.9 m) and a deck 25 ft wide.

Who owns County RD 572 over Br of Spencer CR?

It is owned by the County Highway Agency.