US Bridges

70 Rd. over Trib. to Doyle Creek

PoorPosted for load

Marion County, Kansas · 5.9E of Peabody · Structure no. 000570857905520

Built
1931
94 years old
Condition
Poor
inspected February 2025
Type
Slab
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
45
2020 count
Owner
County
County Highway Agency

About this bridge

70 Rd. over Trib. to Doyle Creek is a concrete continuous slab carrying 70 Rd. over Trib. to Doyle Creek in Marion County, Kansas. It was built in 1931, so it is 94 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 3 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 45 vehicles a day, projected to reach 54 by 2045. The structure is 21 ft (6.4 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries70 Rd.
CrossesTrib. to Doyle Creek
Location5.9E of Peabody
RouteCounty Highway 0
StateKansas
Coordinates38.17322, -96.98778
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating13.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (2.9 m)
Deck width23 ft (6.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic45 (2020)
Projected traffic54 by 2045
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$250,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 70 Rd. over Trib. to Doyle Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is 70 Rd. over Trib. to Doyle Creek 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 February 2025.

How much traffic does 70 Rd. over Trib. to Doyle Creek carry?

About 45 vehicles per day (2020 count).

How long is 70 Rd. over Trib. to Doyle Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (2.9 m) and a deck 23 ft wide.

Who owns 70 Rd. over Trib. to Doyle Creek?

It is owned by the County Highway Agency.