US Bridges

SR 229/HALLECK RD over Humboldt River

Fair

Elko County, Nevada · East of Elko · Structure no. B1120

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
101 ft
3 main spans
Daily traffic
260
2021 count
Owner
State
State Highway Agency

About this bridge

SR 229/HALLECK RD over Humboldt River is a prestressed concrete slab carrying SR 229/HALLECK RD over Humboldt River in Elko County, Nevada. It was built in 1965, so it is 60 years old, older than the Nevada average of 36.4 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 260 vehicles a day, roughly 4% of them trucks, projected to reach 276 by 2040. The structure is 101 ft (30.8 m) long and 37 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSR 229/HALLECK RD
CrossesHumboldt River
LocationEast of Elko
RouteState Highway 229
StateNevada
Coordinates40.95081, -115.44744
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span34 ft (10.4 m)
Deck width37 ft (11.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2021)
Projected traffic276 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 229/HALLECK RD over Humboldt River built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR 229/HALLECK RD over Humboldt 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 August 2024.

How much traffic does SR 229/HALLECK RD over Humboldt River carry?

About 260 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is SR 229/HALLECK RD over Humboldt River?

The structure is 101 ft (30.8 m) long with a longest span of 34 ft (10.4 m) and a deck 37 ft wide.

Who owns SR 229/HALLECK RD over Humboldt River?

It is owned by the State Highway Agency.