US Bridges

NW 94th. St. 312 over Halfday Creek

FairPosted for load

Shawnee County, Kansas · 0.2E of U S 75 Highway · Structure no. 000890993204080

Built
1940
85 years old, rebuilt 1979
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
200
2024 count
Owner
County
County Highway Agency

About this bridge

NW 94th. St. 312 over Halfday Creek is a steel stringer/multi-beam or girder carrying NW 94th. St. 312 over Halfday Creek in Shawnee County, Kansas. It was built in 1940 and reconstructed in 1979, so it is 85 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2040. The structure is 39 ft (12 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNW 94th. St. 312
CrossesHalfday Creek
Location0.2E of U S 75 Highway
RouteCounty Highway 0
CountyShawnee County
StateKansas
Coordinates39.21643, -95.7151
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.7 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length39 ft (12 m)
Longest span38 ft (11.7 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic200 (2024)
Projected traffic200 by 2040
Trucks1%
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 NW 94th. St. 312 over Halfday Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1979.

What condition is NW 94th. St. 312 over Halfday 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 NW 94th. St. 312 over Halfday Creek carry?

About 200 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is NW 94th. St. 312 over Halfday Creek?

The structure is 39 ft (12 m) long with a longest span of 38 ft (11.7 m) and a deck 30 ft wide.

Who owns NW 94th. St. 312 over Halfday Creek?

It is owned by the County Highway Agency.