US Bridges

US-89 (SR-89) over Provo River

Fair

Utah County, Utah · 1200 North in Provo · Structure no. 0D 451

Built
1942
83 years old, rebuilt 1987
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
124 ft
2 main spans
Daily traffic
48,358
2021 count
Owner
State
State Highway Agency

About this bridge

US-89 (SR-89) over Provo River is a steel stringer/multi-beam or girder carrying US-89 (SR-89) over Provo River in Utah County, Utah. It was built in 1942 and reconstructed in 1987, so it is 83 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 48,358 vehicles a day, roughly 17% of them trucks, projected to reach 58,030 by 2041. The structure is 124 ft (37.8 m) long and 115 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS-89 (SR-89)
CrossesProvo River
Location1200 North in Provo
RouteU.S. Route 89
StateUtah
Coordinates40.2524, -111.6687
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating23.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length124 ft (37.8 m)
Longest span61 ft (18.5 m)
Deck width115 ft (35.1 m)
Roadway width103 ft (31.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,358 (2021)
Projected traffic58,030 by 2041
Trucks17%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-89 (SR-89) over Provo River built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1987.

What condition is US-89 (SR-89) over Provo River 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 January 2023.

How much traffic does US-89 (SR-89) over Provo River carry?

About 48,358 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is US-89 (SR-89) over Provo River?

The structure is 124 ft (37.8 m) long with a longest span of 61 ft (18.5 m) and a deck 115 ft wide.

Who owns US-89 (SR-89) over Provo River?

It is owned by the State Highway Agency.