US Bridges

3rd. Rd. | Rs 666 over Twiss Creek

Good

Coffey County, Kansas · 3.0-U.4 · Structure no. 000000000160680

Built
1991
34 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
55
2019 count
Owner
County
County Highway Agency

About this bridge

3rd. Rd. | Rs 666 over Twiss Creek is a concrete culvert carrying 3rd. Rd. | Rs 666 over Twiss Creek in Coffey 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 55 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2044. The structure is 29 ft (8.9 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries3rd. Rd. | Rs 666
CrossesTwiss Creek
Location3.0-U.4
RouteCounty Highway 666
CountyCoffey County
StateKansas
Coordinates38.06753, -95.58507
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.5 US tons
Inventory rating54.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span9 ft (2.8 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic55 (2019)
Projected traffic65 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 3rd. Rd. | Rs 666 over Twiss Creek built?

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

What condition is 3rd. Rd. | Rs 666 over Twiss 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 April 2024.

How much traffic does 3rd. Rd. | Rs 666 over Twiss Creek carry?

About 55 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is 3rd. Rd. | Rs 666 over Twiss Creek?

The structure is 29 ft (8.9 m) long with a longest span of 9 ft (2.8 m) and a deck 34 ft wide.

Who owns 3rd. Rd. | Rs 666 over Twiss Creek?

It is owned by the County Highway Agency.