US Bridges

250 Road (rs 868) over W Branch Twelvemile Cr.

GoodPosted for load

Smith County, Kansas · 6.0N 0.8E of Portis · Structure no. 000000000920048

Built
1979
46 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

250 Road (rs 868) over W Branch Twelvemile Cr. is a concrete culvert carrying 250 Road (rs 868) over W Branch Twelvemile Cr. in Smith County, Kansas. It was built in 1979, so it is 46 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. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, projected to reach 80 by 2043. The structure is 43 ft (13.2 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries250 Road (rs 868)
CrossesW Branch Twelvemile Cr.
Location6.0N 0.8E of Portis
RouteCounty Highway 868
CountySmith County
StateKansas
Coordinates39.65454, -98.67728
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length43 ft (13.2 m)
Longest span14 ft (4.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic70 (2020)
Projected traffic80 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 250 Road (rs 868) over W Branch Twelvemile Cr. built?

It was built in 1979, making it 46 years old in 2025.

What condition is 250 Road (rs 868) over W Branch Twelvemile Cr. 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 March 2023.

How much traffic does 250 Road (rs 868) over W Branch Twelvemile Cr. carry?

About 70 vehicles per day (2020 count).

How long is 250 Road (rs 868) over W Branch Twelvemile Cr.?

The structure is 43 ft (13.2 m) long with a longest span of 14 ft (4.2 m) and a deck 33 ft wide.

Who owns 250 Road (rs 868) over W Branch Twelvemile Cr.?

It is owned by the County Highway Agency.