US Bridges

I 70 Ml Ebnd over S Fk Republican River

Fair

Lincoln County, Colorado · 4.2 MI E of Arriba · Structure no. G-24-V

Built
1975
50 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
113 ft
2 main spans
Daily traffic
4,200
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Ebnd over S Fk Republican River is a steel continuous stringer/multi-beam or girder carrying I 70 Ml Ebnd over S Fk Republican River in Lincoln County, Colorado. It was built in 1975, so it is 50 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 4,200 vehicles a day, roughly 28% of them trucks, projected to reach 4,914 by 2040. The structure is 113 ft (34.4 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Ebnd
CrossesS Fk Republican River
Location4.2 MI E of Arriba
RouteInterstate 70A
Coordinates39.28465, -103.22154
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.6 US tons
Inventory rating39.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length113 ft (34.4 m)
Longest span55 ft (16.8 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2020)
Projected traffic4,914 by 2040
Trucks28%
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 Ebnd over S Fk Republican River built?

It was built in 1975, making it 50 years old in 2025.

What condition is I 70 Ml Ebnd over S Fk Republican River 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 November 2023.

How much traffic does I 70 Ml Ebnd over S Fk Republican River carry?

About 4,200 vehicles per day (2020 count), of which roughly 28% are trucks.

How long is I 70 Ml Ebnd over S Fk Republican River?

The structure is 113 ft (34.4 m) long with a longest span of 55 ft (16.8 m) and a deck 45 ft wide.

Who owns I 70 Ml Ebnd over S Fk Republican River?

It is owned by the State Highway Agency.