US Bridges

Seventh Street over Fortification Creek

Good

Moffat County, Colorado · 50 Ft W of Lincoln St. · Structure no. CRAIG-7.0TH ST

Built
1985
40 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
2,414
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Seventh Street over Fortification Creek is a steel stringer/multi-beam or girder carrying Seventh Street over Fortification Creek in Moffat County, Colorado. It was built in 1985, so it is 40 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 2,414 vehicles a day, roughly 14% of them trucks, projected to reach 2,825 by 2042. The structure is 84 ft (25.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSeventh Street
CrossesFortification Creek
Location50 Ft W of Lincoln St.
RouteCity Street 0
Coordinates40.518, -107.541
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.3 US tons
Inventory rating19.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span78 ft (23.7 m)
Deck width36 ft (11 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,414 (2023)
Projected traffic2,825 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Seventh Street over Fortification Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Seventh Street over Fortification 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 2023.

How much traffic does Seventh Street over Fortification Creek carry?

About 2,414 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Seventh Street over Fortification Creek?

The structure is 84 ft (25.6 m) long with a longest span of 78 ft (23.7 m) and a deck 36 ft wide.

Who owns Seventh Street over Fortification Creek?

It is owned by the City or Municipal Highway Agency.