US Bridges

Marshall Road over US-400 HWY

Good

Ford County, Kansas · 8.0 MI E Gray Coln · Structure no. 999940000290771

Built
2008
17 years old, rebuilt 2021
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
268 ft
3 main spans
Daily traffic
234
2023 count
Owner
State
State Highway Agency

About this bridge

Marshall Road over US-400 HWY is a prestressed concrete continuous stringer/multi-beam or girder carrying Marshall Road over US-400 HWY in Ford County, Kansas. It was built in 2008 and reconstructed in 2021, so it is 17 years old, younger than the Kansas average of 52.8 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 234 vehicles a day, roughly 3% of them trucks. The structure is 268 ft (81.6 m) long and 34 ft wide.

CarriesMarshall Road
CrossesUS-400 HWY
Location8.0 MI E Gray Coln
RouteCounty Highway 796
StateKansas
Coordinates37.73667, -100.08722
Functional classRural Major 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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating70.3 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length268 ft (81.6 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic234 (2023)
Projected traffic—
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Marshall Road over US-400 HWY built?

It was built in 2008, making it 17 years old in 2025. It was reconstructed in 2021.

What condition is Marshall Road over US-400 HWY 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 May 2023.

How much traffic does Marshall Road over US-400 HWY carry?

About 234 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Marshall Road over US-400 HWY?

The structure is 268 ft (81.6 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns Marshall Road over US-400 HWY?

It is owned by the State Highway Agency.