US Bridges

Ni Cnty RD 11 over Lance Creek

Good

Niobrara County, Wyoming · 12 MI SW of Mule Crk JCT · Structure no. MWV

Built
2017
8 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
181 ft
3 main spans
Daily traffic
33
2024 count
Owner
County
County Highway Agency

About this bridge

Ni Cnty RD 11 over Lance Creek is a steel continuous stringer/multi-beam or girder carrying Ni Cnty RD 11 over Lance Creek in Niobrara County, Wyoming. It was built in 2017, so it is 8 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 33 vehicles a day, roughly 12% of them trucks, projected to reach 46 by 2043. The structure is 181 ft (55.2 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNi Cnty RD 11
CrossesLance Creek
Location12 MI SW of Mule Crk JCT
RouteCounty Highway 11
StateWyoming
Coordinates43.25461, -104.38998
Functional classRural Minor 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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating69.3 US tons
Inventory rating53.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length181 ft (55.2 m)
Longest span71 ft (21.6 m)
Deck width30 ft (9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2024)
Projected traffic46 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Ni Cnty RD 11 over Lance Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Ni Cnty RD 11 over Lance 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 Ni Cnty RD 11 over Lance Creek carry?

About 33 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Ni Cnty RD 11 over Lance Creek?

The structure is 181 ft (55.2 m) long with a longest span of 71 ft (21.6 m) and a deck 30 ft wide.

Who owns Ni Cnty RD 11 over Lance Creek?

It is owned by the County Highway Agency.