US Bridges

30th Road over Trib. to Smoky Hill Riv.

FairPosted for load

Ellsworth County, Kansas · 1.0E 4.8N of Langley · Structure no. 000270755004905

Built
1949
76 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

30th Road over Trib. to Smoky Hill Riv. is a wood or timber stringer/multi-beam or girder carrying 30th Road over Trib. to Smoky Hill Riv. in Ellsworth County, Kansas. It was built in 1949, so it is 76 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 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 10 vehicles a day, roughly 5% of them trucks, projected to reach 10 by 2044. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Carries30th Road
CrossesTrib. to Smoky Hill Riv.
Location1.0E 4.8N of Langley
RouteCounty Highway 0
StateKansas
Coordinates38.61585, -97.94346
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.7 US tons
Inventory rating21.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span11 ft (3.5 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2020)
Projected traffic10 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 30th Road over Trib. to Smoky Hill Riv. built?

It was built in 1949, making it 76 years old in 2025.

What condition is 30th Road over Trib. to Smoky Hill Riv. 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 March 2024.

How much traffic does 30th Road over Trib. to Smoky Hill Riv. carry?

About 10 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 30th Road over Trib. to Smoky Hill Riv.?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.5 m) and a deck 20 ft wide.

Who owns 30th Road over Trib. to Smoky Hill Riv.?

It is owned by the County Highway Agency.