US Bridges

Local A-11.7 over Trib. to White Rock Ck.

PoorPosted for load

Jewell County, Kansas · 4.5N 0.7E of Burr Oak · Structure no. 000450717703080

Built
1935
90 years old, rebuilt 1999
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
3 main spans
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

Local A-11.7 over Trib. to White Rock Ck. is a steel stringer/multi-beam or girder carrying Local A-11.7 over Trib. to White Rock Ck. in Jewell County, Kansas. It was built in 1935 and reconstructed in 1999, so it is 90 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 40 ft (12.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal A-11.7
CrossesTrib. to White Rock Ck.
Location4.5N 0.7E of Burr Oak
RouteCounty Highway 0
StateKansas
Coordinates39.94428, -98.29299
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 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 alignment8: Equal to present desirable criteria
Operating rating31.2 US tons
Inventory rating18.6 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span15 ft (4.6 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 traffic20 (2018)
Projected traffic20 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$260,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local A-11.7 over Trib. to White Rock Ck. built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1999.

What condition is Local A-11.7 over Trib. to White Rock Ck. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Local A-11.7 over Trib. to White Rock Ck. carry?

About 20 vehicles per day (2018 count).

How long is Local A-11.7 over Trib. to White Rock Ck.?

The structure is 40 ft (12.2 m) long with a longest span of 15 ft (4.6 m) and a deck 20 ft wide.

Who owns Local A-11.7 over Trib. to White Rock Ck.?

It is owned by the County Highway Agency.