US Bridges

Al Cnty RD 710 over North Laramie River

Good

Albany County, Wyoming · 42 MI N.E. of Rock River · Structure no. LPC

Built
2002
23 years old
Condition
Good
inspected November 2024
Type
Culvert
Steel
Length
29 ft
1 main span
Daily traffic
18
2024 count
Owner
County
County Highway Agency

About this bridge

Al Cnty RD 710 over North Laramie River is a steel culvert carrying Al Cnty RD 710 over North Laramie River in Albany County, Wyoming. It was built in 2002, so it is 23 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 18 vehicles a day, roughly 22% of them trucks, projected to reach 25 by 2043. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAl Cnty RD 710
CrossesNorth Laramie River
Location42 MI N.E. of Rock River
RouteCounty Highway 710
StateWyoming
Coordinates42.17838, -105.705
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.9 m)
Longest span26 ft (8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2024)
Projected traffic25 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$37,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Al Cnty RD 710 over North Laramie River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Al Cnty RD 710 over North 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 2024.

How much traffic does Al Cnty RD 710 over North Laramie River carry?

About 18 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Al Cnty RD 710 over North Laramie River?

The structure is 29 ft (8.9 m) long with a longest span of 26 ft (8 m).

Who owns Al Cnty RD 710 over North Laramie River?

It is owned by the County Highway Agency.