US Bridges

Rd. U 959-512.5 over Stream

Good

Lyon County, Kansas · 0.5S 2.0E of Lang · Structure no. 000000000560677

Built
1980
45 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
206
2007 count
Owner
County
County Highway Agency

About this bridge

Rd. U 959-512.5 over Stream is a concrete continuous slab carrying Rd. U 959-512.5 over Stream in Lyon County, Kansas. It was built in 1980, so it is 45 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 206 vehicles a day, roughly 10% of them trucks, projected to reach 220 by 2043. The structure is 107 ft (32.5 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRd. U 959-512.5
CrossesStream
Location0.5S 2.0E of Lang
RouteCounty Highway 1508
CountyLyon County
StateKansas
Coordinates38.45461, -96.04228
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.8 US tons
Inventory rating20.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length107 ft (32.5 m)
Longest span41 ft (12.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic206 (2007)
Projected traffic220 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Rd. U 959-512.5 over Stream built?

It was built in 1980, making it 45 years old in 2025.

What condition is Rd. U 959-512.5 over Stream 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 February 2023.

How much traffic does Rd. U 959-512.5 over Stream carry?

About 206 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Rd. U 959-512.5 over Stream?

The structure is 107 ft (32.5 m) long with a longest span of 41 ft (12.4 m) and a deck 30 ft wide.

Who owns Rd. U 959-512.5 over Stream?

It is owned by the County Highway Agency.