US Bridges

Al Cnty RD 54 over Browns Creek

Good

Albany County, Wyoming · 15 Miles NW of Laramie · Structure no. LTI

Built
2004
21 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
122
2024 count
Owner
County
County Highway Agency

About this bridge

Al Cnty RD 54 over Browns Creek is a steel stringer/multi-beam or girder carrying Al Cnty RD 54 over Browns Creek in Albany County, Wyoming. It was built in 2004, so it is 21 years old, younger than the Wyoming average of 48.4 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 122 vehicles a day, roughly 12% of them trucks, projected to reach 171 by 2043. The structure is 51 ft (15.5 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAl Cnty RD 54
CrossesBrowns Creek
Location15 Miles NW of Laramie
RouteCounty Highway 54
StateWyoming
Coordinates41.4024, -105.78898
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating69 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122 (2024)
Projected traffic171 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Al Cnty RD 54 over Browns Creek built?

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

What condition is Al Cnty RD 54 over Browns 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 November 2024.

How much traffic does Al Cnty RD 54 over Browns Creek carry?

About 122 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Al Cnty RD 54 over Browns Creek?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.

Who owns Al Cnty RD 54 over Browns Creek?

It is owned by the County Highway Agency.