US Bridges

Fdr 169 over Sheep Creek

Fair

Larimer County, Colorado · 50 Ft So of Larimer CR 80 · Structure no. 021004000001191

Built
1977
48 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
9
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 169 over Sheep Creek is a wood or timber stringer/multi-beam or girder carrying Fdr 169 over Sheep Creek in Larimer County, Colorado. It was built in 1977, so it is 48 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 6 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 9 vehicles a day, projected to reach 13 by 2045. The structure is 29 ft (8.7 m) long and 15 ft wide. If it were closed, the detour would be 23.6 mi (38 km).

Location

Open in Google Maps
CarriesFdr 169
CrossesSheep Creek
Location50 Ft So of Larimer CR 80
RouteFederal Lands Road 169
CountyLarimer County
StateColorado
Coordinates40.94095, -105.65917
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length29 ft (8.7 m)
Longest span28 ft (8.4 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9 (1992)
Projected traffic13 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23.6 mi (38 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 169 over Sheep Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Fdr 169 over Sheep 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 September 2024.

How much traffic does Fdr 169 over Sheep Creek carry?

About 9 vehicles per day (1992 count).

How long is Fdr 169 over Sheep Creek?

The structure is 29 ft (8.7 m) long with a longest span of 28 ft (8.4 m) and a deck 15 ft wide.

Who owns Fdr 169 over Sheep Creek?

It is owned by the U.S. Forest Service.