US Bridges

US183 HWY over Sawmill Creek Drainage

Fair

Pawnee County, Kansas · 6.77 MI N US56 · Structure no. 999918300730151

Built
1966
59 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
50 ft
4 main spans
Daily traffic
718
2023 count
Owner
State
State Highway Agency

About this bridge

US183 HWY over Sawmill Creek Drainage is a concrete culvert carrying US183 HWY over Sawmill Creek Drainage in Pawnee County, Kansas. It was built in 1966, so it is 59 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 718 vehicles a day, roughly 39% of them trucks, projected to reach 967 by 2044. The structure is 50 ft (15.3 m) long and 49 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS183 HWY
CrossesSawmill Creek Drainage
Location6.77 MI N US56
RouteU.S. Route 183
StateKansas
Coordinates38.10972, -99.31417
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating31.5 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length50 ft (15.3 m)
Longest span12 ft (3.7 m)
Deck width49 ft (14.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic718 (2023)
Projected traffic967 by 2044
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US183 HWY over Sawmill Creek Drainage built?

It was built in 1966, making it 59 years old in 2025.

What condition is US183 HWY over Sawmill Creek Drainage 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 October 2024.

How much traffic does US183 HWY over Sawmill Creek Drainage carry?

About 718 vehicles per day (2023 count), of which roughly 39% are trucks.

How long is US183 HWY over Sawmill Creek Drainage?

The structure is 50 ft (15.3 m) long with a longest span of 12 ft (3.7 m) and a deck 49 ft wide.

Who owns US183 HWY over Sawmill Creek Drainage?

It is owned by the State Highway Agency.