US Bridges

Y Road (rs 867) over Twelvemile Creek

GoodPosted for load

Smith County, Kansas · 1.5N 4.0E of Portis · Structure no. 000000000920043

Built
1974
51 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
85
2020 count
Owner
County
County Highway Agency

About this bridge

Y Road (rs 867) over Twelvemile Creek is a concrete continuous tee beam carrying Y Road (rs 867) over Twelvemile Creek in Smith County, Kansas. It was built in 1974, so it is 51 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 85 vehicles a day, projected to reach 95 by 2043. The structure is 133 ft (40.4 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesY Road (rs 867)
CrossesTwelvemile Creek
Location1.5N 4.0E of Portis
RouteCounty Highway 867
CountySmith County
StateKansas
Coordinates39.58923, -98.61724
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating17.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length133 ft (40.4 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic85 (2020)
Projected traffic95 by 2043
Trucks0%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Y Road (rs 867) over Twelvemile Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Y Road (rs 867) over Twelvemile 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 March 2023.

How much traffic does Y Road (rs 867) over Twelvemile Creek carry?

About 85 vehicles per day (2020 count).

How long is Y Road (rs 867) over Twelvemile Creek?

The structure is 133 ft (40.4 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns Y Road (rs 867) over Twelvemile Creek?

It is owned by the County Highway Agency.