US Bridges

Rd. 370 967-480 over Salt Creek

FairPosted for load

Lyon County, Kansas · 4.0N 1.5E of Miller · Structure no. 000000000560730

Built
1975
50 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
211
2007 count
Owner
County
County Highway Agency

About this bridge

Rd. 370 967-480 over Salt Creek is a concrete continuous slab carrying Rd. 370 967-480 over Salt Creek in Lyon County, Kansas. It was built in 1975, so it is 50 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 211 vehicles a day, roughly 10% of them trucks, projected to reach 230 by 2043. The structure is 89 ft (27.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRd. 370 967-480
CrossesSalt Creek
Location4.0N 1.5E of Miller
RouteCounty Highway 1849
CountyLyon County
StateKansas
Coordinates38.69536, -95.96667
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.9 US tons
Inventory rating26.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length89 ft (27.1 m)
Longest span35 ft (10.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic211 (2007)
Projected traffic230 by 2043
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 Rd. 370 967-480 over Salt Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Rd. 370 967-480 over Salt 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 February 2023.

How much traffic does Rd. 370 967-480 over Salt Creek carry?

About 211 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Rd. 370 967-480 over Salt Creek?

The structure is 89 ft (27.1 m) long with a longest span of 35 ft (10.6 m) and a deck 28 ft wide.

Who owns Rd. 370 967-480 over Salt Creek?

It is owned by the County Highway Agency.