US Bridges

I 70 Frontage RD over S Fk Republican Rvr SR

Fair

Lincoln County, Colorado · 9.2 MI E. of Bovina · Structure no. G-24-X

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
14
2024 count
Owner
State
State Highway Agency

About this bridge

I 70 Frontage RD over S Fk Republican Rvr SR is a steel continuous stringer/multi-beam or girder carrying I 70 Frontage RD over S Fk Republican Rvr SR 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 14 vehicles a day, roughly 28% of them trucks, projected to reach 18 by 2044. The structure is 113 ft (34.4 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 70 Frontage RD
CrossesS Fk Republican Rvr SR
Location9.2 MI E. of Bovina
RouteInterstate 70A
CountyLincoln County
StateColorado
Coordinates39.28444, -103.22156
Functional classRural Local

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.
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 within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
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 width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14 (2024)
Projected traffic18 by 2044
Trucks28%
Lanes on structure2
Traffic directionTwo-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 Frontage RD over S Fk Republican Rvr SR built?

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

What condition is I 70 Frontage RD over S Fk Republican Rvr SR 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 Frontage RD over S Fk Republican Rvr SR carry?

About 14 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is I 70 Frontage RD over S Fk Republican Rvr SR?

The structure is 113 ft (34.4 m) long with a longest span of 55 ft (16.8 m) and a deck 31 ft wide.

Who owns I 70 Frontage RD over S Fk Republican Rvr SR?

It is owned by the State Highway Agency.