US Bridges

Al Cnty RD 5-416 over Little Laramie River

Good

Albany County, Wyoming · 5 Mi. SE of Centennial · Structure no. KDO

Built
1996
29 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
51
2024 count
Owner
County
County Highway Agency

About this bridge

Al Cnty RD 5-416 over Little Laramie River is a steel stringer/multi-beam or girder carrying Al Cnty RD 5-416 over Little Laramie River in Albany County, Wyoming. It was built in 1996, so it is 29 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 51 vehicles a day, roughly 2% of them trucks, projected to reach 71 by 2043. The structure is 98 ft (29.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAl Cnty RD 5-416
CrossesLittle Laramie River
Location5 Mi. SE of Centennial
RouteCounty Highway 416
StateWyoming
Coordinates41.27355, -106.07959
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span95 ft (29 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2024)
Projected traffic71 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Al Cnty RD 5-416 over Little Laramie River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Al Cnty RD 5-416 over Little Laramie River 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 2023.

How much traffic does Al Cnty RD 5-416 over Little Laramie River carry?

About 51 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Al Cnty RD 5-416 over Little Laramie River?

The structure is 98 ft (29.9 m) long with a longest span of 95 ft (29 m) and a deck 28 ft wide.

Who owns Al Cnty RD 5-416 over Little Laramie River?

It is owned by the County Highway Agency.