US Bridges

Welch Street over Spring Creek

Good

Larimer County, Colorado · 0.2 MI N of Stuart ST · Structure no. FCWLCH-0.2STUTA

Built
1999
26 years old
Condition
Good
inspected June 2023
Type
Frame
Concrete
Length
31 ft
1 main span
Daily traffic
398
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Welch Street over Spring Creek is a concrete frame carrying Welch Street over Spring Creek in Larimer County, Colorado. It was built in 1999, so it is 26 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 398 vehicles a day, roughly 9% of them trucks, projected to reach 497 by 2042. The structure is 31 ft (9.5 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWelch Street
CrossesSpring Creek
Location0.2 MI N of Stuart ST
RouteCity Street 0
Coordinates40.56597, -105.05308
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Last inspectionJune 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.1 US tons
Inventory rating23.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span30 ft (9.1 m)
Deck width56 ft (17.2 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic398 (2023)
Projected traffic497 by 2042
Trucks9%
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 Welch Street over Spring Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Welch Street over Spring 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 June 2023.

How much traffic does Welch Street over Spring Creek carry?

About 398 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Welch Street over Spring Creek?

The structure is 31 ft (9.5 m) long with a longest span of 30 ft (9.1 m) and a deck 56 ft wide.

Who owns Welch Street over Spring Creek?

It is owned by the City or Municipal Highway Agency.