US Bridges

I 70 Ml Wbnd over Landsman Creek

Fair

Kit Carson County, Colorado · 9.3 Mi. W. of JCT US 385 · Structure no. G-27-I

Built
1966
59 years old, rebuilt 1986
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
207 ft
5 main spans
Daily traffic
4,600
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over Landsman Creek is a concrete tee beam carrying I 70 Ml Wbnd over Landsman Creek in Kit Carson County, Colorado. It was built in 1966 and reconstructed in 1986, so it is 59 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.

It carries about 4,600 vehicles a day, roughly 29% of them trucks, projected to reach 5,244 by 2040. The structure is 207 ft (63.1 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Wbnd
CrossesLandsman Creek
Location9.3 Mi. W. of JCT US 385
RouteInterstate 70A
Coordinates39.29294, -102.45224
Functional classRural Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.7 US tons
Inventory rating36.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length207 ft (63.1 m)
Longest span40 ft (12.2 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2020)
Projected traffic5,244 by 2040
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I 70 Ml Wbnd over Landsman Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1986.

What condition is I 70 Ml Wbnd 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 July 2023.

How much traffic does I 70 Ml Wbnd over Landsman Creek carry?

About 4,600 vehicles per day (2020 count), of which roughly 29% are trucks.

How long is I 70 Ml Wbnd over Landsman Creek?

The structure is 207 ft (63.1 m) long with a longest span of 40 ft (12.2 m) and a deck 41 ft wide.

Who owns I 70 Ml Wbnd over Landsman Creek?

It is owned by the State Highway Agency.