US Bridges

70th Rd. over Branch of Big Sandy Ck.

GoodPosted for load

Woodson County, Kansas · 232 4.0S 3.7W US54&75JCT · Structure no. 001040985306000

Built
1968
57 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
105 ft
3 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

70th Rd. over Branch of Big Sandy Ck. is a concrete continuous tee beam carrying 70th Rd. over Branch of Big Sandy Ck. in Woodson County, Kansas. It was built in 1968, so it is 57 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 24 by 2044. The structure is 105 ft (31.9 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries70th Rd.
CrossesBranch of Big Sandy Ck.
Location232 4.0S 3.7W US54&75JCT
RouteCounty Highway 0
StateKansas
Coordinates37.82133, -95.80642
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.5 US tons
Inventory rating23.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length105 ft (31.9 m)
Longest span40 ft (12.1 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2019)
Projected traffic24 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 70th Rd. over Branch of Big Sandy Ck. built?

It was built in 1968, making it 57 years old in 2025.

What condition is 70th Rd. over Branch of Big Sandy Ck. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does 70th Rd. over Branch of Big Sandy Ck. carry?

About 20 vehicles per day (2019 count).

How long is 70th Rd. over Branch of Big Sandy Ck.?

The structure is 105 ft (31.9 m) long with a longest span of 40 ft (12.1 m) and a deck 29 ft wide.

Who owns 70th Rd. over Branch of Big Sandy Ck.?

It is owned by the County Highway Agency.