US Bridges

Harper RD Rs 663 over Trib. to Snake Creek

Fair

Wilson County, Kansas · 2.5S 3.5E of Coyville · Structure no. 000000001030200

Built
1930
95 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
30 ft
1 main span
Daily traffic
370
2021 count
Owner
County
County Highway Agency

About this bridge

Harper RD Rs 663 over Trib. to Snake Creek is a concrete tee beam carrying Harper RD Rs 663 over Trib. to Snake Creek in Wilson County, Kansas. It was built in 1930, so it is 95 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.

It carries about 370 vehicles a day, roughly 2% of them trucks, projected to reach 444 by 2042. The structure is 30 ft (9.1 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHarper RD Rs 663
CrossesTrib. to Snake Creek
Location2.5S 3.5E of Coyville
RouteCounty Highway 663
CountyWilson County
StateKansas
Coordinates37.65592, -95.83265
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic370 (2021)
Projected traffic444 by 2042
Trucks2%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$235,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Harper RD Rs 663 over Trib. to Snake Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Harper RD Rs 663 over Trib. to Snake 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 August 2024.

How much traffic does Harper RD Rs 663 over Trib. to Snake Creek carry?

About 370 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Harper RD Rs 663 over Trib. to Snake Creek?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 22 ft wide.

Who owns Harper RD Rs 663 over Trib. to Snake Creek?

It is owned by the County Highway Agency.