US Bridges

SR-128 over Mat Martin Point Wash

Good

Grand County, Utah · 14.4 Miles North of Moab · Structure no. 0E2532

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
1,120
2022 count
Owner
State
State Highway Agency

About this bridge

SR-128 over Mat Martin Point Wash is a concrete culvert carrying SR-128 over Mat Martin Point Wash in Grand County, Utah. It was built in 2005, so it is 20 years old, younger than the Utah average of 40.1 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 1,120 vehicles a day, roughly 25% of them trucks, projected to reach 1,344 by 2042. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSR-128
CrossesMat Martin Point Wash
Location14.4 Miles North of Moab
RouteState Highway 128
StateUtah
Coordinates38.6825, -109.47583
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.8 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2022)
Projected traffic1,344 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 SR-128 over Mat Martin Point Wash built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR-128 over Mat Martin Point Wash 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 SR-128 over Mat Martin Point Wash carry?

About 1,120 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is SR-128 over Mat Martin Point Wash?

The structure is 22 ft (6.8 m) long with a longest span of 20 ft (6.2 m).

Who owns SR-128 over Mat Martin Point Wash?

It is owned by the State Highway Agency.