US Bridges

S.W. 10th. St. 90 over Blacksmith Creek

FairPosted for load

Shawnee County, Kansas · 1.5W K-4 0.5S I-70 · Structure no. 000890979504305

Built
1930
95 years old
Condition
Fair
inspected August 2024
Type
Arch - Thru
Concrete
Length
100 ft
1 main span
Daily traffic
200
2024 count
Owner
County
County Highway Agency

About this bridge

S.W. 10th. St. 90 over Blacksmith Creek is a concrete arch - thru carrying S.W. 10th. St. 90 over Blacksmith Creek in Shawnee 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 5 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, projected to reach 200 by 2040. The structure is 100 ft (30.5 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS.W. 10th. St. 90
CrossesBlacksmith Creek
Location1.5W K-4 0.5S I-70
RouteCounty Highway 0
StateKansas
Coordinates39.05071, -95.84385
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.5 US tons
Inventory rating15 US tons

Structure

Structure typeArch - Thru
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span60 ft (18.2 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic200 (2024)
Projected traffic200 by 2040
Trucks0%
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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.W. 10th. St. 90 over Blacksmith Creek built?

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

What condition is S.W. 10th. St. 90 over Blacksmith 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 S.W. 10th. St. 90 over Blacksmith Creek carry?

About 200 vehicles per day (2024 count).

How long is S.W. 10th. St. 90 over Blacksmith Creek?

The structure is 100 ft (30.5 m) long with a longest span of 60 ft (18.2 m) and a deck 24 ft wide.

Who owns S.W. 10th. St. 90 over Blacksmith Creek?

It is owned by the County Highway Agency.