US Bridges

W 355 ST over White Oak CR

Good

Harrison County, Missouri · S 3 T 62 N R 29 W · Structure no. 37072

Built
2023
2 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

W 355 ST over White Oak CR is a steel stringer/multi-beam or girder carrying W 355 ST over White Oak CR in Harrison County, Missouri. It was built in 2023, so it is 2 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2043. The structure is 95 ft (29 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesW 355 ST
CrossesWhite Oak CR
LocationS 3 T 62 N R 29 W
RouteCounty Highway 533
Coordinates40.20092, -94.15744
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span95 ft (29 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic12 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W 355 ST over White Oak CR built?

It was built in 2023, making it 2 years old in 2025.

What condition is W 355 ST over 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 2024.

How much traffic does W 355 ST over White Oak CR carry?

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

How long is W 355 ST over White Oak CR?

The structure is 95 ft (29 m) long with a longest span of 95 ft (29 m) and a deck 24 ft wide.

Who owns W 355 ST over White Oak CR?

It is owned by the County Highway Agency.