US Bridges

SW 901 over Marshalls CR

Good

Henry County, Missouri · S 33 T 40 N R 27 W · Structure no. 33070

Built
2010
15 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

SW 901 over Marshalls CR is a steel stringer/multi-beam or girder carrying SW 901 over Marshalls CR in Henry County, Missouri. It was built in 2010, so it is 15 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 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 49 by 2043. The structure is 76 ft (23.2 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSW 901
CrossesMarshalls CR
LocationS 33 T 40 N R 27 W
RouteCounty Highway 501
Coordinates38.21684, -93.92753
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span74 ft (22.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic49 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 SW 901 over Marshalls CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is SW 901 over Marshalls 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 SW 901 over Marshalls CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SW 901 over Marshalls CR?

The structure is 76 ft (23.2 m) long with a longest span of 74 ft (22.6 m) and a deck 25 ft wide.

Who owns SW 901 over Marshalls CR?

It is owned by the County Highway Agency.