US Bridges

NW1571 over Br of White Oak CR

Fair

Henry County, Missouri · S 29 T 42 N R 28 W · Structure no. 20569

Built
1950
75 years old, rebuilt 1987
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
50
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 1950 and reconstructed in 1987, so it is 75 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 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 33 ft (10.1 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNW1571
CrossesBr of White Oak CR
LocationS 29 T 42 N R 28 W
RouteCounty Highway 265
CountyHenry County
StateMissouri
Coordinates38.40807, -94.03942
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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
ScourCountermeasures installed to correct a previously existing problem
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 rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length33 ft (10.1 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-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 NW1571 over Br of White Oak CR built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1987.

What condition is NW1571 over Br of White Oak 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 NW1571 over Br of White Oak CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NW1571 over Br of White Oak CR?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns NW1571 over Br of White Oak CR?

It is owned by the County Highway Agency.