US Bridges

990 South Road over Milner Gooding Canal

Fair

Jerome County, Idaho · 1.5 S. 5.5 E. Hazelton · Structure no. 000000000024635

Built
1929
96 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
75 ft
2 main spans
Daily traffic
620
2023 count
Owner
Local
Other Local Agency

About this bridge

990 South Road over Milner Gooding Canal is a concrete tee beam carrying 990 South Road over Milner Gooding Canal in Jerome County, Idaho. It was built in 1929, so it is 96 years old, older than the Idaho average of 45.3 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 620 vehicles a day, roughly 19% of them trucks, projected to reach 930 by 2042. The structure is 75 ft (22.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries990 South Road
CrossesMilner Gooding Canal
Location1.5 S. 5.5 E. Hazelton
RouteCounty Highway 0
CountyJerome County
StateIdaho
Coordinates42.57661, -114.02956
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length75 ft (22.9 m)
Longest span37 ft (11.3 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2023)
Projected traffic930 by 2042
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$833,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 990 South Road over Milner Gooding Canal built?

It was built in 1929, making it 96 years old in 2025.

What condition is 990 South Road over Milner Gooding Canal 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 November 2023.

How much traffic does 990 South Road over Milner Gooding Canal carry?

About 620 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is 990 South Road over Milner Gooding Canal?

The structure is 75 ft (22.9 m) long with a longest span of 37 ft (11.3 m) and a deck 28 ft wide.

Who owns 990 South Road over Milner Gooding Canal?

It is owned by the Other Local Agency.