US Bridges

US-89 (SR-89) over Seamans Wash

Fair

Kane County, Utah · 14 Mi. E. of Kanab · Structure no. 0E1106

Built
1958
67 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
3,499
2022 count
Owner
State
State Highway Agency

About this bridge

US-89 (SR-89) over Seamans Wash is a concrete culvert carrying US-89 (SR-89) over Seamans Wash in Kane County, Utah. It was built in 1958, so it is 67 years old, older than the Utah average of 40.1 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 3,499 vehicles a day, roughly 37% of them trucks, projected to reach 4,199 by 2042. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesUS-89 (SR-89)
CrossesSeamans Wash
Location14 Mi. E. of Kanab
RouteU.S. Route 89
CountyKane County
StateUtah
Coordinates37.04044, -112.25081
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating96.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic3,499 (2022)
Projected traffic4,199 by 2042
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-89 (SR-89) over Seamans Wash built?

It was built in 1958, making it 67 years old in 2025.

What condition is US-89 (SR-89) over Seamans Wash 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 April 2023.

How much traffic does US-89 (SR-89) over Seamans Wash carry?

About 3,499 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is US-89 (SR-89) over Seamans Wash?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m).

Who owns US-89 (SR-89) over Seamans Wash?

It is owned by the State Highway Agency.