US Bridges

170 Ave (south) over North Fork Saline River

Fair

Graham County, Kansas · 2.7E 1.6S of St. Peter · Structure no. 000330531004146

Built
1982
43 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

170 Ave (south) over North Fork Saline River is a concrete continuous slab carrying 170 Ave (south) over North Fork Saline River in Graham County, Kansas. It was built in 1982, so it is 43 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.

It carries about 40 vehicles a day, projected to reach 40 by 2044. The structure is 130 ft (39.6 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
Carries170 Ave (south)
CrossesNorth Fork Saline River
Location2.7E 1.6S of St. Peter
RouteCounty Highway 0
CountyGraham County
StateKansas
Coordinates39.16583, -100.03333
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length130 ft (39.6 m)
Longest span52 ft (15.8 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 (2020)
Projected traffic40 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 170 Ave (south) over North Fork Saline River built?

It was built in 1982, making it 43 years old in 2025.

What condition is 170 Ave (south) over North Fork Saline River 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 May 2024.

How much traffic does 170 Ave (south) over North Fork Saline River carry?

About 40 vehicles per day (2020 count).

How long is 170 Ave (south) over North Fork Saline River?

The structure is 130 ft (39.6 m) long with a longest span of 52 ft (15.8 m) and a deck 26 ft wide.

Who owns 170 Ave (south) over North Fork Saline River?

It is owned by the County Highway Agency.