US Bridges

US-400 HWY over Salt Creek Tributary

Good

Wilson County, Kansas · 9.85 MI SE Greenwood Coln · Structure no. 999940001030431

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
124 ft
3 main spans
Daily traffic
3,806
2023 count
Owner
State
State Highway Agency

About this bridge

US-400 HWY over Salt Creek Tributary is a concrete continuous slab carrying US-400 HWY over Salt Creek Tributary in Wilson County, Kansas. It was built in 1997, so it is 28 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 3,806 vehicles a day, roughly 37% of them trucks, projected to reach 5,332 by 2044. The structure is 124 ft (37.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-400 HWY
CrossesSalt Creek Tributary
Location9.85 MI SE Greenwood Coln
RouteU.S. Route 400
StateKansas
Coordinates37.55167, -95.82
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo 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 evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length124 ft (37.7 m)
Longest span48 ft (14.6 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,806 (2023)
Projected traffic5,332 by 2044
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US-400 HWY over Salt Creek Tributary built?

It was built in 1997, making it 28 years old in 2025.

What condition is US-400 HWY over Salt Creek Tributary 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 US-400 HWY over Salt Creek Tributary carry?

About 3,806 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is US-400 HWY over Salt Creek Tributary?

The structure is 124 ft (37.7 m) long with a longest span of 48 ft (14.6 m) and a deck 46 ft wide.

Who owns US-400 HWY over Salt Creek Tributary?

It is owned by the State Highway Agency.