US Bridges

County Road Gg over Hell Creek

PoorClosed to traffic

Washington County, Colorado · 1.9 Mi. N. of Co. Rd. 27 · Structure no. WTNGG-28.90

Built
1985
40 years old
Condition
Poor
inspected October 2023
Type
Culvert
Steel
Length
30 ft
4 main spans
Daily traffic
8
2023 count
Owner
County
County Highway Agency

About this bridge

County Road Gg over Hell Creek is a steel culvert carrying County Road Gg over Hell Creek in Washington County, Colorado. It was built in 1985, so it is 40 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 8 vehicles a day, roughly 39% of them trucks, projected to reach 10 by 2042. The structure is 30 ft (9.2 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road Gg
CrossesHell Creek
Location1.9 Mi. N. of Co. Rd. 27
RouteCounty Highway 0
CountyWashington County
StateColorado
Coordinates39.98731, -103.14308
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection0 FailedOut of service and beyond corrective action.
Culvert0 FailedOut of service and beyond corrective action.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span6 ft (1.8 m)
Deck width42 ft (12.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (2023)
Projected traffic10 by 2042
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road Gg over Hell Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road Gg over Hell Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does County Road Gg over Hell Creek carry?

About 8 vehicles per day (2023 count), of which roughly 39% are trucks.

How long is County Road Gg over Hell Creek?

The structure is 30 ft (9.2 m) long with a longest span of 6 ft (1.8 m) and a deck 42 ft wide.

Who owns County Road Gg over Hell Creek?

It is owned by the County Highway Agency.