US Bridges

Mantukat Road | Fs over Tarryall Creek

Fair

Park County, Colorado · 8.0 MI N of Lake George · Structure no. PA211-0.1-77

Built
1970
55 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
49 ft
2 main spans
Daily traffic
62
2020 count
Owner
County
County Highway Agency

About this bridge

Mantukat Road | Fs over Tarryall Creek is a steel continuous stringer/multi-beam or girder carrying Mantukat Road | Fs over Tarryall Creek in Park County, Colorado. It was built in 1970, so it is 55 years old, older 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 62 vehicles a day, projected to reach 83 by 2040. The structure is 49 ft (14.9 m) long and 24 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesMantukat Road | Fs
CrossesTarryall Creek
Location8.0 MI N of Lake George
RouteCounty Highway 0
CountyPark County
StateColorado
Coordinates39.08011, -105.41589
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.6 US tons
Inventory rating14.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span38 ft (11.7 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2020)
Projected traffic83 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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 Mantukat Road | Fs over Tarryall Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Mantukat Road | Fs over Tarryall 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 Mantukat Road | Fs over Tarryall Creek carry?

About 62 vehicles per day (2020 count).

How long is Mantukat Road | Fs over Tarryall Creek?

The structure is 49 ft (14.9 m) long with a longest span of 38 ft (11.7 m) and a deck 24 ft wide.

Who owns Mantukat Road | Fs over Tarryall Creek?

It is owned by the County Highway Agency.