US Bridges

Bh Cnty RD 229 over Elk Creek

PoorPosted for load

Big Horn County, Wyoming · 5 Mi. S. of Basin · Structure no. EJS

Built
1940
85 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
94 ft
4 main spans
Daily traffic
343
2024 count
Owner
County
County Highway Agency

About this bridge

Bh Cnty RD 229 over Elk Creek is a wood or timber stringer/multi-beam or girder carrying Bh Cnty RD 229 over Elk Creek in Big Horn County, Wyoming. It was built in 1940, so it is 85 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 343 vehicles a day, roughly 9% of them trucks, projected to reach 480 by 2043. The structure is 94 ft (28.7 m) long and 24 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesBh Cnty RD 229
CrossesElk Creek
Location5 Mi. S. of Basin
RouteCounty Highway 229
StateWyoming
Coordinates44.30859, -108.03027
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24 US tons
Inventory rating16 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length94 ft (28.7 m)
Longest span23 ft (7 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic343 (2024)
Projected traffic480 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$520,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bh Cnty RD 229 over Elk Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Bh Cnty RD 229 over Elk Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Bh Cnty RD 229 over Elk Creek carry?

About 343 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Bh Cnty RD 229 over Elk Creek?

The structure is 94 ft (28.7 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns Bh Cnty RD 229 over Elk Creek?

It is owned by the County Highway Agency.