US Bridges

B Road over Trib. Middle Fork Sappa

FairPosted for load

Rawlins County, Kansas · 16.0S 1.2W of Atwood · Structure no. 000770421303580

Built
1953
72 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

B Road over Trib. Middle Fork Sappa is a wood or timber stringer/multi-beam or girder carrying B Road over Trib. Middle Fork Sappa in Rawlins County, Kansas. It was built in 1953, so it is 72 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 50 vehicles a day, projected to reach 70 by 2044. The structure is 25 ft (7.5 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesB Road
CrossesTrib. Middle Fork Sappa
Location16.0S 1.2W of Atwood
RouteCounty Highway 0
CountyRawlins County
StateKansas
Coordinates39.58257, -101.06782
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 inspectionNovember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.3 US tons
Inventory rating9.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 10
Structure length25 ft (7.5 m)
Longest span22 ft (6.6 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 traffic50 (2020)
Projected traffic70 by 2044
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$120,000
NavigationNo navigation control on waterway

Frequently asked questions

When was B Road over Trib. Middle Fork Sappa built?

It was built in 1953, making it 72 years old in 2025.

What condition is B Road over Trib. Middle Fork Sappa 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 B Road over Trib. Middle Fork Sappa carry?

About 50 vehicles per day (2020 count).

How long is B Road over Trib. Middle Fork Sappa?

The structure is 25 ft (7.5 m) long with a longest span of 22 ft (6.6 m) and a deck 24 ft wide.

Who owns B Road over Trib. Middle Fork Sappa?

It is owned by the County Highway Agency.