US Bridges

Metz Road over Interstate 8

Fair

Imperial County, California · 11-IMP-008-R47.05 · Structure no. 58 0217

Built
1971
54 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
208 ft
2 main spans
Daily traffic
750
2020 count
Owner
State
State Highway Agency

About this bridge

Metz Road over Interstate 8 is a concrete continuous box beam or girders - multiple carrying Metz Road over Interstate 8 in Imperial County, California. It was built in 1971, so it is 54 years old, younger than the California average of 54.8 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 750 vehicles a day, roughly 1% of them trucks, projected to reach 1,577 by 2043. The structure is 208 ft (63.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMetz Road
CrossesInterstate 8
Location11-IMP-008-R47.05
RouteCounty Highway 0
CountyImperial County
StateCalifornia
Coordinates32.77361, -115.39642
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span103 ft (31.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic1,577 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Metz Road over Interstate 8 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Metz Road over Interstate 8 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 2025.

How much traffic does Metz Road over Interstate 8 carry?

About 750 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Metz Road over Interstate 8?

The structure is 208 ft (63.4 m) long with a longest span of 103 ft (31.4 m) and a deck 34 ft wide.

Who owns Metz Road over Interstate 8?

It is owned by the State Highway Agency.