US Bridges

County Road 30 over Landsman Creek

Fair

Kit Carson County, Colorado · 2 MI S of County RD M · Structure no. KITC-30-5.40A02

Built
1986
39 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
395
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 30 over Landsman Creek is a steel stringer/multi-beam or girder carrying County Road 30 over Landsman Creek in Kit Carson County, Colorado. It was built in 1986, so it is 39 years old, younger than the Colorado average of 42.2 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.

It carries about 395 vehicles a day, roughly 2% of them trucks, projected to reach 459 by 2042. The structure is 60 ft (18.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 30
CrossesLandsman Creek
Location2 MI S of County RD M
RouteCounty Highway 0
Coordinates39.20305, -102.61433
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span58 ft (17.8 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic395 (2022)
Projected traffic459 by 2042
Trucks2%
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 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 County Road 30 over Landsman Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 30 over Landsman Creek 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 December 2023.

How much traffic does County Road 30 over Landsman Creek carry?

About 395 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 30 over Landsman Creek?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.8 m) and a deck 32 ft wide.

Who owns County Road 30 over Landsman Creek?

It is owned by the County Highway Agency.