US Bridges

County Road 30 over Branch of Landsman Creek

Fair

Kit Carson County, Colorado · 0.4 Miles North of Road G · Structure no. KITC-30-0.40-01

Built
1959
66 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
318
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 30 over Branch of Landsman Creek is a steel stringer/multi-beam or girder carrying County Road 30 over Branch of Landsman Creek in Kit Carson County, Colorado. It was built in 1959, so it is 66 years old, older 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 318 vehicles a day, roughly 2% of them trucks, projected to reach 369 by 2042. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 30
CrossesBranch of Landsman Creek
Location0.4 Miles North of Road G
RouteCounty Highway 0
CountyKit Carson County
StateColorado
Coordinates39.13294, -102.61439
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.6 US tons
Inventory rating24.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9 m)
Deck width24 ft (7.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic318 (2022)
Projected traffic369 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Branch of Landsman Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is County Road 30 over Branch of 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 Branch of Landsman Creek carry?

About 318 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 30 over Branch of Landsman Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9 m) and a deck 24 ft wide.

Who owns County Road 30 over Branch of Landsman Creek?

It is owned by the County Highway Agency.