US Bridges

Rs 650 M-20.9 over Snokomo Creek

FairPosted for load

Wabaunsee County, Kansas · 1.5E 3.5S of Paxico · Structure no. 000000000990130

Built
1951
74 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete Continuous
Length
148 ft
3 main spans
Daily traffic
130
2013 count
Owner
County
County Highway Agency

About this bridge

Rs 650 M-20.9 over Snokomo Creek is a concrete continuous tee beam carrying Rs 650 M-20.9 over Snokomo Creek in Wabaunsee 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 130 vehicles a day, roughly 1% of them trucks, projected to reach 156 by 2043. The structure is 148 ft (45.1 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRs 650 M-20.9
CrossesSnokomo Creek
Location1.5E 3.5S of Paxico
RouteCounty Highway 650
StateKansas
Coordinates39.01515, -96.1329
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.7 US tons
Inventory rating16.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length148 ft (45.1 m)
Longest span60 ft (18.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic130 (2013)
Projected traffic156 by 2043
Trucks1%
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 Rs 650 M-20.9 over Snokomo Creek built?

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

What condition is Rs 650 M-20.9 over Snokomo 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 2023.

How much traffic does Rs 650 M-20.9 over Snokomo Creek carry?

About 130 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Rs 650 M-20.9 over Snokomo Creek?

The structure is 148 ft (45.1 m) long with a longest span of 60 ft (18.2 m) and a deck 27 ft wide.

Who owns Rs 650 M-20.9 over Snokomo Creek?

It is owned by the County Highway Agency.