US Bridges

170 Rd. over Spring Branch Creek

Good

Marion County, Kansas · 2.0S of Marion · Structure no. 000570853605320

Built
1981
44 years old
Condition
Good
inspected January 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
40
2011 count
Owner
County
County Highway Agency

About this bridge

170 Rd. over Spring Branch Creek is a prestressed concrete continuous tee beam carrying 170 Rd. over Spring Branch 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 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.

It carries about 40 vehicles a day, projected to reach 48 by 2043. The structure is 110 ft (33.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries170 Rd.
CrossesSpring Branch Creek
Location2.0S of Marion
RouteCounty Highway 0
CountyMarion County
StateKansas
Coordinates38.31925, -97.02933
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating47.8 US tons
Inventory rating25.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length110 ft (33.5 m)
Longest span36 ft (11 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2011)
Projected traffic48 by 2043
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 170 Rd. over Spring Branch Creek built?

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

What condition is 170 Rd. over Spring Branch Creek 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 January 2023.

How much traffic does 170 Rd. over Spring Branch Creek carry?

About 40 vehicles per day (2011 count).

How long is 170 Rd. over Spring Branch Creek?

The structure is 110 ft (33.5 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns 170 Rd. over Spring Branch Creek?

It is owned by the County Highway Agency.