US Bridges

29-21.9 Local over Trib. to Rock Creek

Good

Neosho County, Kansas · 1.0N 2.4E of St. Paul · Structure no. 000671059906400

Built
1991
34 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
40
2019 count
Owner
County
County Highway Agency

About this bridge

29-21.9 Local over Trib. to Rock Creek is a concrete culvert carrying 29-21.9 Local over Trib. to Rock Creek in Neosho County, Kansas. It was built in 1991, so it is 34 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2044. The structure is 27 ft (8.2 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries29-21.9 Local
CrossesTrib. to Rock Creek
Location1.0N 2.4E of St. Paul
RouteCounty Highway 0
StateKansas
Coordinates37.52933, -95.12554
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2019)
Projected traffic48 by 2044
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 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 29-21.9 Local over Trib. to Rock Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is 29-21.9 Local over Trib. to 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 29-21.9 Local over Trib. to Rock Creek carry?

About 40 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is 29-21.9 Local over Trib. to Rock Creek?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 25 ft wide.

Who owns 29-21.9 Local over Trib. to Rock Creek?

It is owned by the County Highway Agency.