US Bridges

46-9.9 Minor over Trib. to Rock Creek

Fair

Neosho County, Kansas · 2.5E 5.1N of St.Paul · Structure no. 000671061006309

Built
1951
74 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
40
2019 count
Owner
County
County Highway Agency

About this bridge

46-9.9 Minor over Trib. to Rock Creek is a concrete continuous slab carrying 46-9.9 Minor over Trib. to Rock Creek in Neosho County, Kansas. It was built in 1951, so it is 74 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2044. The structure is 28 ft (8.5 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries46-9.9 Minor
CrossesTrib. to Rock Creek
Location2.5E 5.1N of St.Paul
RouteCounty Highway 6725
StateKansas
Coordinates37.58778, -95.12441
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span12 ft (3.6 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 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 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 46-9.9 Minor over Trib. to Rock Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is 46-9.9 Minor over Trib. to Rock Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does 46-9.9 Minor over Trib. to Rock Creek carry?

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

How long is 46-9.9 Minor over Trib. to Rock Creek?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.6 m) and a deck 22 ft wide.

Who owns 46-9.9 Minor over Trib. to Rock Creek?

It is owned by the County Highway Agency.