US Bridges

County Road 74E over South Lone Pine Creek

Fair

Larimer County, Colorado · 9.9 MI E of CO RD 68C · Structure no. LR74E-9.9-68C

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
2,242
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 74E over South Lone Pine Creek is a wood or timber stringer/multi-beam or girder carrying County Road 74E over South Lone Pine Creek in Larimer County, Colorado. It was built in 1967, so it is 58 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 2,242 vehicles a day, roughly 32% of them trucks, projected to reach 2,802 by 2042. The structure is 25 ft (7.7 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCounty Road 74E
CrossesSouth Lone Pine Creek
Location9.9 MI E of CO RD 68C
RouteCounty Highway 0
Coordinates40.7778, -105.32802
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating24.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span22 ft (6.6 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,242 (2023)
Projected traffic2,802 by 2042
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 74E over South Lone Pine Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is County Road 74E over South Lone Pine 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 May 2023.

How much traffic does County Road 74E over South Lone Pine Creek carry?

About 2,242 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is County Road 74E over South Lone Pine Creek?

The structure is 25 ft (7.7 m) long with a longest span of 22 ft (6.6 m) and a deck 30 ft wide.

Who owns County Road 74E over South Lone Pine Creek?

It is owned by the County Highway Agency.