US Bridges

Sprague Lake Road over Glacier Creek

Good

Larimer County, Colorado · 0.2 Miles from Bear Lake · Structure no. 1520028P0000000

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
500
2019 count
Owner
Federal
National Park Service

About this bridge

Sprague Lake Road over Glacier Creek is a prestressed concrete slab carrying Sprague Lake Road over Glacier Creek in Larimer County, Colorado. It was built in 2004, so it is 21 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 1% of them trucks, projected to reach 650 by 2039. The structure is 48 ft (14.6 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSprague Lake Road
CrossesGlacier Creek
Location0.2 Miles from Bear Lake
RouteFederal Lands Road 0
Coordinates40.32322, -105.60653
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length48 ft (14.6 m)
Longest span42 ft (12.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2019)
Projected traffic650 by 2039
Trucks1%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$23,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sprague Lake Road over Glacier Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Sprague Lake Road over Glacier Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Sprague Lake Road over Glacier Creek carry?

About 500 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Sprague Lake Road over Glacier Creek?

The structure is 48 ft (14.6 m) long with a longest span of 42 ft (12.8 m) and a deck 27 ft wide.

Who owns Sprague Lake Road over Glacier Creek?

It is owned by the National Park Service.