US Bridges

CR 1.5 (briggs St) over Coal Creek

Fair

Weld County, Colorado · 0.4 MI NE of CO RD 8.5 · Structure no. ERI001.5_008.5B

Built
1999
26 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
132 ft
3 main spans
Daily traffic
1,915
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

CR 1.5 (briggs St) over Coal Creek is a prestressed concrete box beam or girders - single or spread carrying CR 1.5 (briggs St) over Coal Creek in Weld 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 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.

It carries about 1,915 vehicles a day, roughly 11% of them trucks, projected to reach 2,719 by 2042. The structure is 132 ft (40.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR 1.5 (briggs St)
CrossesCoal Creek
Location0.4 MI NE of CO RD 8.5
RouteCity Street 0
Coordinates40.05484, -105.04723
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.3 US tons
Inventory rating27.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length132 ft (40.1 m)
Longest span52 ft (15.8 m)
Deck width43 ft (13 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,915 (2023)
Projected traffic2,719 by 2042
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 CR 1.5 (briggs St) over Coal Creek built?

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

What condition is CR 1.5 (briggs St) over Coal 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 February 2024.

How much traffic does CR 1.5 (briggs St) over Coal Creek carry?

About 1,915 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is CR 1.5 (briggs St) over Coal Creek?

The structure is 132 ft (40.1 m) long with a longest span of 52 ft (15.8 m) and a deck 43 ft wide.

Who owns CR 1.5 (briggs St) over Coal Creek?

It is owned by the Town or Township Highway Agency.