US Bridges

County Road 40 over Trib. to Landsman Creek

FairPosted for load

Kit Carson County, Colorado · 4.7 MI N of I-70 · Structure no. KITC-40-4.70-03

Built
1930
95 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
262
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 40 over Trib. to Landsman Creek is a steel stringer/multi-beam or girder carrying County Road 40 over Trib. to Landsman Creek in Kit Carson County, Colorado. It was built in 1930, so it is 95 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 5 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 262 vehicles a day, roughly 10% of them trucks, projected to reach 304 by 2042. The structure is 34 ft (10.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Road 40
CrossesTrib. to Landsman Creek
Location4.7 MI N of I-70
RouteCounty Highway 0
CountyKit Carson County
StateColorado
Coordinates39.37005, -102.42764
Functional classRural Minor 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.6 US tons
Inventory rating21.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span31 ft (9.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic262 (2022)
Projected traffic304 by 2042
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 40 over Trib. to Landsman Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is County Road 40 over Trib. to 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 40 over Trib. to Landsman Creek carry?

About 262 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is County Road 40 over Trib. to Landsman Creek?

The structure is 34 ft (10.3 m) long with a longest span of 31 ft (9.6 m) and a deck 25 ft wide.

Who owns County Road 40 over Trib. to Landsman Creek?

It is owned by the County Highway Agency.