US Bridges

I 70 Ml Ebnd over County Road 57

Good

Kit Carson County, Colorado · 9.4 Mi. E. of HWY 385 · Structure no. G-28-J

Built
1969
56 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
4,950
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Ebnd over County Road 57 is a concrete continuous tee beam carrying I 70 Ml Ebnd over County Road 57 in Kit Carson County, Colorado. It was built in 1969, so it is 56 years old, older than the Colorado average of 42.2 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 4,950 vehicles a day, roughly 33% of them trucks, projected to reach 6,089 by 2040. The structure is 94 ft (28.7 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Ebnd
CrossesCounty Road 57
Location9.4 Mi. E. of HWY 385
RouteInterstate 70A
Coordinates39.32405, -102.11059
Functional classRural Principal Arterial - Interstate

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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.3 US tons
Inventory rating34.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length94 ft (28.7 m)
Longest span36 ft (11 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,950 (2020)
Projected traffic6,089 by 2040
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Ebnd over County Road 57 built?

It was built in 1969, making it 56 years old in 2025.

What condition is I 70 Ml Ebnd over County Road 57 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 July 2023.

How much traffic does I 70 Ml Ebnd over County Road 57 carry?

About 4,950 vehicles per day (2020 count), of which roughly 33% are trucks.

How long is I 70 Ml Ebnd over County Road 57?

The structure is 94 ft (28.7 m) long with a longest span of 36 ft (11 m) and a deck 41 ft wide.

Who owns I 70 Ml Ebnd over County Road 57?

It is owned by the State Highway Agency.