US Bridges

X Road (270 Road) over E Branch Twelvemile Cr.

FairPosted for load

Smith County, Kansas · 1.5N 7.0E of Harlan · Structure no. 000920683003521

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

X Road (270 Road) over E Branch Twelvemile Cr. is a steel stringer/multi-beam or girder carrying X Road (270 Road) over E Branch Twelvemile Cr. in Smith County, Kansas. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 25 by 2043. The structure is 59 ft (18 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesX Road (270 Road)
CrossesE Branch Twelvemile Cr.
Location1.5N 7.0E of Harlan
RouteCounty Highway 0
CountySmith County
StateKansas
Coordinates39.62562, -98.63637
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.7 US tons
Inventory rating8.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length59 ft (18 m)
Longest span58 ft (17.6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2020)
Projected traffic25 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was X Road (270 Road) over E Branch Twelvemile Cr. built?

It was built in 1975, making it 50 years old in 2025.

What condition is X Road (270 Road) over E Branch Twelvemile Cr. 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 August 2024.

How much traffic does X Road (270 Road) over E Branch Twelvemile Cr. carry?

About 20 vehicles per day (2020 count).

How long is X Road (270 Road) over E Branch Twelvemile Cr.?

The structure is 59 ft (18 m) long with a longest span of 58 ft (17.6 m) and a deck 24 ft wide.

Who owns X Road (270 Road) over E Branch Twelvemile Cr.?

It is owned by the County Highway Agency.