US Bridges

70 Rd. over Doyle Creek

FairPosted for load

Marion County, Kansas · 11.5S 0.2E of Hillsboro · Structure no. 000570835205520

Built
1981
44 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
90 ft
2 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

70 Rd. over Doyle Creek is a concrete slab carrying 70 Rd. over Doyle Creek in Marion County, Kansas. It was built in 1981, so it is 44 years old, younger 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 20 vehicles a day, projected to reach 25 by 2045. The structure is 90 ft (27.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries70 Rd.
CrossesDoyle Creek
Location11.5S 0.2E of Hillsboro
RouteCounty Highway 0
CountyMarion County
StateKansas
Coordinates38.17494, -97.20428
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span45 ft (13.6 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2019)
Projected traffic25 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 70 Rd. over Doyle Creek built?

It was built in 1981, making it 44 years old in 2025.

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

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

About 20 vehicles per day (2019 count).

How long is 70 Rd. over Doyle Creek?

The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.6 m) and a deck 26 ft wide.

Who owns 70 Rd. over Doyle Creek?

It is owned by the County Highway Agency.