US Bridges

Coal Creek Rd. over Delaware River

FairPosted for load

Jefferson County, Kansas · N. Edge of Valley Falls · Structure no. 000000000440001

Built
1936
89 years old, rebuilt 2020
Condition
Fair
inspected November 2024
Type
Truss - Thru
Steel
Length
353 ft
1 main span
Daily traffic
140
2019 count
Owner
County
County Highway Agency

About this bridge

Coal Creek Rd. over Delaware River is a steel truss - thru carrying Coal Creek Rd. over Delaware River in Jefferson County, Kansas. It was built in 1936 and reconstructed in 2020, so it is 89 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 140 vehicles a day, roughly 1% of them trucks, projected to reach 500 by 2040. The structure is 353 ft (107.6 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCoal Creek Rd.
CrossesDelaware River
LocationN. Edge of Valley Falls
RouteCounty Highway 18
CountyJefferson County
StateKansas
Coordinates39.35086, -95.45476
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating24.8 US tons
Inventory rating15.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length353 ft (107.6 m)
Longest span150 ft (45.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic140 (2019)
Projected traffic500 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Coal Creek Rd. over Delaware River built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2020.

What condition is Coal Creek Rd. over Delaware River 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 Coal Creek Rd. over Delaware River carry?

About 140 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Coal Creek Rd. over Delaware River?

The structure is 353 ft (107.6 m) long with a longest span of 150 ft (45.8 m) and a deck 26 ft wide.

Who owns Coal Creek Rd. over Delaware River?

It is owned by the County Highway Agency.