US Bridges

SR-130 Sbl Only over I-15 (SR-15) Nbl & S

Fair

Iron County, Utah · So Cedar City Interchange · Structure no. 3C 502

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
3 main spans
Daily traffic
4,740
2014 count
Owner
State
State Highway Agency

About this bridge

SR-130 Sbl Only over I-15 (SR-15) Nbl & S is a steel continuous stringer/multi-beam or girder carrying SR-130 Sbl Only over I-15 (SR-15) Nbl & S in Iron County, Utah. It was built in 1967, so it is 58 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 5 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 4,740 vehicles a day, roughly 12% of them trucks, projected to reach 5,925 by 2034. The structure is 256 ft (77.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSR-130 Sbl Only
CrossesI-15 (SR-15) Nbl & S
LocationSo Cedar City Interchange
RouteState Highway 130
CountyIron County
StateUtah
Coordinates37.65139, -113.08361
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating31.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length256 ft (77.9 m)
Longest span91 ft (27.7 m)
Deck width26 ft (7.8 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,740 (2014)
Projected traffic5,925 by 2034
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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-130 Sbl Only over I-15 (SR-15) Nbl & S built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR-130 Sbl Only over I-15 (SR-15) Nbl & S 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 March 2023.

How much traffic does SR-130 Sbl Only over I-15 (SR-15) Nbl & S carry?

About 4,740 vehicles per day (2014 count), of which roughly 12% are trucks.

How long is SR-130 Sbl Only over I-15 (SR-15) Nbl & S?

The structure is 256 ft (77.9 m) long with a longest span of 91 ft (27.7 m) and a deck 26 ft wide.

Who owns SR-130 Sbl Only over I-15 (SR-15) Nbl & S?

It is owned by the State Highway Agency.