US Bridges

I Lane over Trib. N. Prairie Dog Cr.

FairPosted for load

Decatur County, Kansas · 2.3W of Jennings · Structure no. 000200499803440

Built
1958
67 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

I Lane over Trib. N. Prairie Dog Cr. is a wood or timber stringer/multi-beam or girder carrying I Lane over Trib. N. Prairie Dog Cr. in Decatur County, Kansas. It was built in 1958, so it is 67 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 29 ft (8.9 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI Lane
CrossesTrib. N. Prairie Dog Cr.
Location2.3W of Jennings
RouteCounty Highway 0
StateKansas
Coordinates39.683, -100.33493
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13 US tons
Inventory rating8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length29 ft (8.9 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2020)
Projected traffic30 by 2043
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$150,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I Lane over Trib. N. Prairie Dog Cr. built?

It was built in 1958, making it 67 years old in 2025.

What condition is I Lane over Trib. N. Prairie Dog Cr. 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 October 2023.

How much traffic does I Lane over Trib. N. Prairie Dog Cr. carry?

About 30 vehicles per day (2020 count).

How long is I Lane over Trib. N. Prairie Dog Cr.?

The structure is 29 ft (8.9 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns I Lane over Trib. N. Prairie Dog Cr.?

It is owned by the County Highway Agency.