US Bridges

Ui Cnty RD 261 over Chapman Creek

Fair

Uinta County, Wyoming · 2.5 Mi. N.W. of Robertson · Structure no. FCU

Built
1984
41 years old
Condition
Fair
inspected June 2023
Type
Other
Steel
Length
43 ft
1 main span
Daily traffic
73
2024 count
Owner
County
County Highway Agency

About this bridge

Ui Cnty RD 261 over Chapman Creek is a steel other carrying Ui Cnty RD 261 over Chapman Creek in Uinta County, Wyoming. It was built in 1984, so it is 41 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 6 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 73 vehicles a day, roughly 15% of them trucks, projected to reach 102 by 2043. The structure is 43 ft (13.1 m) long and 24 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesUi Cnty RD 261
CrossesChapman Creek
Location2.5 Mi. N.W. of Robertson
RouteCounty Highway 261
CountyUinta County
StateWyoming
Coordinates41.20807, -110.45119
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating69 US tons
Inventory rating40 US tons

Structure

Structure typeOther
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span41 ft (12.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2024)
Projected traffic102 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ui Cnty RD 261 over Chapman Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Ui Cnty RD 261 over Chapman 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 June 2023.

How much traffic does Ui Cnty RD 261 over Chapman Creek carry?

About 73 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Ui Cnty RD 261 over Chapman Creek?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.5 m) and a deck 24 ft wide.

Who owns Ui Cnty RD 261 over Chapman Creek?

It is owned by the County Highway Agency.