US Bridges

Rs 1297 170th St. over South Fork Wolf River

Good

Brown County, Kansas · 3.8S 0.4E of Robinson · Structure no. 000000000070043

Built
2003
22 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
217
2016 count
Owner
County
County Highway Agency

About this bridge

Rs 1297 170th St. over South Fork Wolf River is a concrete continuous slab carrying Rs 1297 170th St. over South Fork Wolf River in Brown County, Kansas. It was built in 2003, so it is 22 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 217 vehicles a day, roughly 10% of them trucks, projected to reach 239 by 2044. The structure is 147 ft (44.8 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRs 1297 170th St.
CrossesSouth Fork Wolf River
Location3.8S 0.4E of Robinson
RouteCounty Highway 1297
CountyBrown County
StateKansas
Coordinates39.75465, -95.39972
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating91.8 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span57 ft (17.5 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic217 (2016)
Projected traffic239 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Rs 1297 170th St. over South Fork Wolf River built?

It was built in 2003, making it 22 years old in 2025.

What condition is Rs 1297 170th St. over South Fork Wolf River 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 2024.

How much traffic does Rs 1297 170th St. over South Fork Wolf River carry?

About 217 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Rs 1297 170th St. over South Fork Wolf River?

The structure is 147 ft (44.8 m) long with a longest span of 57 ft (17.5 m) and a deck 30 ft wide.

Who owns Rs 1297 170th St. over South Fork Wolf River?

It is owned by the County Highway Agency.