US Bridges

East Frontage Road over Pedestrian Walkway

Fair

Humboldt County, California · 0.2 MI N 14th ST · Structure no. 04C0232R

Built
1976
49 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
39 ft
1 main span
Daily traffic
2,000
2002 count
Owner
City
City or Municipal Highway Agency

About this bridge

East Frontage Road over Pedestrian Walkway is a concrete box beam or girders - multiple carrying East Frontage Road over Pedestrian Walkway in Humboldt County, California. It was built in 1976, so it is 49 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 2,000 vehicles a day, roughly 2% of them trucks, projected to reach 3,325 by 2041. The structure is 39 ft (12 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesEast Frontage Road
CrossesPedestrian Walkway
Location0.2 MI N 14th ST
RouteCity Street 0
CountyHumboldt County
StateCalifornia
Coordinates40.87537, -124.08164
Functional classUrban 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length39 ft (12 m)
Longest span38 ft (11.6 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2002)
Projected traffic3,325 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 East Frontage Road over Pedestrian Walkway built?

It was built in 1976, making it 49 years old in 2025.

What condition is East Frontage Road over Pedestrian Walkway 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 June 2023.

How much traffic does East Frontage Road over Pedestrian Walkway carry?

About 2,000 vehicles per day (2002 count), of which roughly 2% are trucks.

How long is East Frontage Road over Pedestrian Walkway?

The structure is 39 ft (12 m) long with a longest span of 38 ft (11.6 m) and a deck 34 ft wide.

Who owns East Frontage Road over Pedestrian Walkway?

It is owned by the City or Municipal Highway Agency.