US Bridges

29-20.8 Local over Rock Creek

Good

Neosho County, Kansas · 1.3E 0.5N of St. Paul · Structure no. 000671057806400

Built
1993
32 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
160 ft
3 main spans
Daily traffic
50
2019 count
Owner
County
County Highway Agency

About this bridge

29-20.8 Local over Rock Creek is a concrete continuous slab carrying 29-20.8 Local over Rock Creek in Neosho County, Kansas. It was built in 1993, so it is 32 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2044. The structure is 160 ft (48.8 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries29-20.8 Local
CrossesRock Creek
Location1.3E 0.5N of St. Paul
RouteCounty Highway 0
StateKansas
Coordinates37.52916, -95.14603
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span64 ft (19.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2019)
Projected traffic60 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 29-20.8 Local over Rock Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is 29-20.8 Local over Rock 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 November 2024.

How much traffic does 29-20.8 Local over Rock Creek carry?

About 50 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is 29-20.8 Local over Rock Creek?

The structure is 160 ft (48.8 m) long with a longest span of 64 ft (19.5 m) and a deck 26 ft wide.

Who owns 29-20.8 Local over Rock Creek?

It is owned by the County Highway Agency.