US Bridges

NW 86th ST 29 over Trib. to Cross Creek

Good

Shawnee County, Kansas · 4.5N 1.0E of Rossville · Structure no. 000890969404100

Built
2007
18 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
350
2024 count
Owner
County
County Highway Agency

About this bridge

NW 86th ST 29 over Trib. to Cross Creek is a concrete slab carrying NW 86th ST 29 over Trib. to Cross Creek in Shawnee County, Kansas. It was built in 2007, so it is 18 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 350 vehicles a day, roughly 1% of them trucks, projected to reach 500 by 2040. The structure is 32 ft (9.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 86th ST 29
CrossesTrib. to Cross Creek
Location4.5N 1.0E of Rossville
RouteCounty Highway 8912
StateKansas
Coordinates39.20215, -95.93599
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating30.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length32 ft (9.9 m)
Longest span27 ft (8.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic350 (2024)
Projected traffic500 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 NW 86th ST 29 over Trib. to Cross Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is NW 86th ST 29 over Trib. to Cross Creek 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 August 2024.

How much traffic does NW 86th ST 29 over Trib. to Cross Creek carry?

About 350 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is NW 86th ST 29 over Trib. to Cross Creek?

The structure is 32 ft (9.9 m) long with a longest span of 27 ft (8.3 m) and a deck 32 ft wide.

Who owns NW 86th ST 29 over Trib. to Cross Creek?

It is owned by the County Highway Agency.