US Bridges

Serrano Pkway East over Allegheny Creek

Good

El Dorado County, California · East of Ed Hills Blvd. · Structure no. 25C0124

Built
1998
27 years old
Condition
Good
inspected June 2022
Type
Slab
Concrete
Length
41 ft
1 main span
Daily traffic
6,200
2013 count
Owner
County
County Highway Agency

About this bridge

Serrano Pkway East over Allegheny Creek is a concrete slab carrying Serrano Pkway East over Allegheny Creek in El Dorado County, California. It was built in 1998, so it is 27 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,200 vehicles a day, roughly 4% of them trucks, projected to reach 2,636 by 2040. The structure is 41 ft (12.6 m) long and 40 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSerrano Pkway East
CrossesAllegheny Creek
LocationEast of Ed Hills Blvd.
RouteCounty Highway 0
Coordinates38.67503, -121.05766
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length41 ft (12.6 m)
Longest span40 ft (12.2 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2013)
Projected traffic2,636 by 2040
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Serrano Pkway East over Allegheny Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Serrano Pkway East over Allegheny Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2022.

How much traffic does Serrano Pkway East over Allegheny Creek carry?

About 6,200 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is Serrano Pkway East over Allegheny Creek?

The structure is 41 ft (12.6 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.

Who owns Serrano Pkway East over Allegheny Creek?

It is owned by the County Highway Agency.