US Bridges

Stagestop Road over Jefferson Creek

Fair

Park County, Colorado · 0.4 MI W of CR 77 · Structure no. PASS-W0.4-77

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Culvert
Steel
Length
33 ft
2 main spans
Daily traffic
336
2020 count
Owner
County
County Highway Agency

About this bridge

Stagestop Road over Jefferson Creek is a steel culvert carrying Stagestop Road over Jefferson Creek in Park County, Colorado. It was built in 1989, so it is 36 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 336 vehicles a day, projected to reach 450 by 2040. The structure is 33 ft (10 m) long and 30 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesStagestop Road
CrossesJefferson Creek
Location0.4 MI W of CR 77
RouteCounty Highway 0
CountyPark County
StateColorado
Coordinates39.29426, -105.71772
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating36.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length33 ft (10 m)
Longest span14 ft (4.3 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic336 (2020)
Projected traffic450 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Stagestop Road over Jefferson Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Stagestop Road over Jefferson 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 April 2023.

How much traffic does Stagestop Road over Jefferson Creek carry?

About 336 vehicles per day (2020 count).

How long is Stagestop Road over Jefferson Creek?

The structure is 33 ft (10 m) long with a longest span of 14 ft (4.3 m) and a deck 30 ft wide.

Who owns Stagestop Road over Jefferson Creek?

It is owned by the County Highway Agency.