US Bridges

City Griffin Ave over Forked Gulch

Good

Fremont County, Colorado · Just NE of 2nd ST · Structure no. CC 4A-GRIFFIN

Built
1988
37 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
360
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

City Griffin Ave over Forked Gulch is a prestressed concrete box beam or girders - multiple carrying City Griffin Ave over Forked Gulch in Fremont County, Colorado. It was built in 1988, so it is 37 years old, younger 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 360 vehicles a day, roughly 2% of them trucks, projected to reach 404 by 2042. The structure is 58 ft (17.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCity Griffin Ave
CrossesForked Gulch
LocationJust NE of 2nd ST
RouteCity Street 0
Coordinates38.4341, -105.2438
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.2 US tons
Inventory rating38.4 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length58 ft (17.6 m)
Longest span52 ft (15.8 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2022)
Projected traffic404 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 City Griffin Ave over Forked Gulch built?

It was built in 1988, making it 37 years old in 2025.

What condition is City Griffin Ave over Forked Gulch 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 February 2023.

How much traffic does City Griffin Ave over Forked Gulch carry?

About 360 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is City Griffin Ave over Forked Gulch?

The structure is 58 ft (17.6 m) long with a longest span of 52 ft (15.8 m) and a deck 36 ft wide.

Who owns City Griffin Ave over Forked Gulch?

It is owned by the City or Municipal Highway Agency.