US Bridges

Ni Cnty RD 13 over Lance Creek

Fair

Niobrara County, Wyoming · 2 Miles N.E. of Cow Creek · Structure no. EUH

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
2 main spans
Daily traffic
17
2024 count
Owner
County
County Highway Agency

About this bridge

Ni Cnty RD 13 over Lance Creek is a steel stringer/multi-beam or girder carrying Ni Cnty RD 13 over Lance Creek in Niobrara County, Wyoming. It was built in 1983, so it is 42 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 17 vehicles a day, roughly 6% of them trucks, projected to reach 24 by 2043. The structure is 142 ft (43.3 m) long and 15 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNi Cnty RD 13
CrossesLance Creek
Location2 Miles N.E. of Cow Creek
RouteCounty Highway 13
StateWyoming
Coordinates43.26185, -104.58483
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span69 ft (21 m)
Deck width15 ft (4.5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2024)
Projected traffic24 by 2043
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$38,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ni Cnty RD 13 over Lance Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Ni Cnty RD 13 over Lance 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 October 2023.

How much traffic does Ni Cnty RD 13 over Lance Creek carry?

About 17 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Ni Cnty RD 13 over Lance Creek?

The structure is 142 ft (43.3 m) long with a longest span of 69 ft (21 m) and a deck 15 ft wide.

Who owns Ni Cnty RD 13 over Lance Creek?

It is owned by the County Highway Agency.