US Bridges

I 70 Frontage RD over Draw SR

Good

Lincoln County, Colorado · 6.1 MI E. of Genoa · Structure no. G-23-AJ

Built
1975
50 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
30
2024 count
Owner
State
State Highway Agency

About this bridge

I 70 Frontage RD over Draw SR is a prestressed concrete stringer/multi-beam or girder carrying I 70 Frontage RD over Draw 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 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 30 vehicles a day, roughly 25% of them trucks, projected to reach 38 by 2044. The structure is 103 ft (31.4 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Frontage RD
CrossesDraw SR
Location6.1 MI E. of Genoa
RouteInterstate 70A
Coordinates39.27876, -103.38534
Functional classRural Local

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.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.8 US tons
Inventory rating29.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length103 ft (31.4 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic38 by 2044
Trucks25%
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 Draw SR built?

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

What condition is I 70 Frontage RD over Draw SR 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 November 2023.

How much traffic does I 70 Frontage RD over Draw SR carry?

About 30 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is I 70 Frontage RD over Draw SR?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns I 70 Frontage RD over Draw SR?

It is owned by the State Highway Agency.