US Bridges

State Line Road over Mine Creek

FairPosted for load

Linn County, Kansas · 5 MI E 7MI N Pleasanton · Structure no. 000541117005465

Built
1990
35 years old
Condition
Fair
inspected January 2025
Type
Girder and Floorbeam System
Steel
Length
69 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

State Line Road over Mine Creek is a steel girder and floorbeam system carrying State Line Road over Mine Creek in Linn County, Kansas. It was built in 1990, so it is 35 years old, younger 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2043. The structure is 69 ft (21 m) long and 16 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesState Line Road
CrossesMine Creek
Location5 MI E 7MI N Pleasanton
StateKansas
Coordinates38.20472, -94.61278
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length69 ft (21 m)
Longest span68 ft (20.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic65 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Line Road over Mine Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is State Line Road over Mine 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 January 2025.

How much traffic does State Line Road over Mine Creek carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is State Line Road over Mine Creek?

The structure is 69 ft (21 m) long with a longest span of 68 ft (20.7 m) and a deck 16 ft wide.

Who owns State Line Road over Mine Creek?

It is owned by the County Highway Agency.