US Bridges

Spruce Street over Fall River

Fair

Larimer County, Colorado · 100 Feet North of Elkhorn · Structure no. EP-SPRC-FALL

Built
1978
47 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
1,240
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Spruce Street over Fall River is a prestressed concrete tee beam carrying Spruce Street over Fall River in Larimer County, Colorado. It was built in 1978 and reconstructed in 1995, so it is 47 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 1,240 vehicles a day, roughly 11% of them trucks, projected to reach 1,550 by 2043. The structure is 24 ft (7.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpruce Street
CrossesFall River
Location100 Feet North of Elkhorn
RouteCity Street 0
Coordinates40.37667, -105.52731
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span22 ft (6.7 m)
Deck width36 ft (10.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,240 (2023)
Projected traffic1,550 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Spruce Street over Fall River built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1995.

What condition is Spruce Street over Fall River 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 Spruce Street over Fall River carry?

About 1,240 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Spruce Street over Fall River?

The structure is 24 ft (7.4 m) long with a longest span of 22 ft (6.7 m) and a deck 36 ft wide.

Who owns Spruce Street over Fall River?

It is owned by the City or Municipal Highway Agency.