US Bridges

NW1571 over Br of White Oak CR

Good

Henry County, Missouri · S 5 T 41 N R 28 W · Structure no. 20728

Built
1940
85 years old, rebuilt 1989
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

NW1571 over Br of White Oak CR is a steel stringer/multi-beam or girder carrying NW1571 over Br of White Oak CR in Henry County, Missouri. It was built in 1940 and reconstructed in 1989, so it is 85 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.

It carries about 45 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2043. The structure is 36 ft (11 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNW1571
CrossesBr of White Oak CR
LocationS 5 T 41 N R 28 W
RouteCounty Highway 272
Coordinates38.37612, -94.04504
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic63 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 NW1571 over Br of White Oak CR built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1989.

What condition is NW1571 over Br of White Oak CR 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 2023.

How much traffic does NW1571 over Br of White Oak CR carry?

About 45 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NW1571 over Br of White Oak CR?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 19 ft wide.

Who owns NW1571 over Br of White Oak CR?

It is owned by the County Highway Agency.