US Bridges

County Road Ll over Gordon Creek

Fair

Washington County, Colorado · 1.4 Mi. N. of Co. Rd. 5 · Structure no. WTNLL-06.40-A

Built
1988
37 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
74
2023 count
Owner
County
County Highway Agency

About this bridge

County Road Ll over Gordon Creek is a steel stringer/multi-beam or girder carrying County Road Ll over Gordon Creek in Washington 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 fair condition with a lowest component rating of 5 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 74 vehicles a day, roughly 47% of them trucks, projected to reach 92 by 2042. The structure is 67 ft (20.5 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty Road Ll
CrossesGordon Creek
Location1.4 Mi. N. of Co. Rd. 5
RouteCounty Highway 0
Coordinates39.65953, -103.06656
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length67 ft (20.5 m)
Longest span62 ft (18.9 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74 (2023)
Projected traffic92 by 2042
Trucks47%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Ll over Gordon Creek built?

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

What condition is County Road Ll over Gordon Creek 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 October 2023.

How much traffic does County Road Ll over Gordon Creek carry?

About 74 vehicles per day (2023 count), of which roughly 47% are trucks.

How long is County Road Ll over Gordon Creek?

The structure is 67 ft (20.5 m) long with a longest span of 62 ft (18.9 m) and a deck 28 ft wide.

Who owns County Road Ll over Gordon Creek?

It is owned by the County Highway Agency.