US Bridges

SW 100 ST over East Branch of Elm Ck.

FairPosted for load

Pratt County, Kansas · 0.8S 1.2E of Coats · Structure no. 000760659606440

Built
1937
88 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
40
2021 count
Owner
County
County Highway Agency

About this bridge

SW 100 ST over East Branch of Elm Ck. is a concrete continuous slab carrying SW 100 ST over East Branch of Elm Ck. in Pratt County, Kansas. It was built in 1937, so it is 88 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 40 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2046. The structure is 23 ft (7.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSW 100 ST
CrossesEast Branch of Elm Ck.
Location0.8S 1.2E of Coats
RouteCounty Highway 0
StateKansas
Coordinates37.49948, -98.80303
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7.1 m)
Longest span11 ft (3.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2021)
Projected traffic50 by 2046
Trucks5%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 100 ST over East Branch of Elm Ck. built?

It was built in 1937, making it 88 years old in 2025.

What condition is SW 100 ST over East Branch of Elm Ck. 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 November 2024.

How much traffic does SW 100 ST over East Branch of Elm Ck. carry?

About 40 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SW 100 ST over East Branch of Elm Ck.?

The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns SW 100 ST over East Branch of Elm Ck.?

It is owned by the County Highway Agency.