US Bridges

Warren Shingle Roa over Hutchinson Creek

PoorPosted for load

Yuba County, California · 0.85 Miles East of Inters · Structure no. AFCABAEY02124

Built
1952
73 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
75 ft
5 main spans
Daily traffic
2,000
2016 count
Owner
Federal
Air Force

About this bridge

Warren Shingle Roa over Hutchinson Creek is a wood or timber stringer/multi-beam or girder carrying Warren Shingle Roa over Hutchinson Creek in Yuba County, California. It was built in 1952, so it is 73 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 2,400 by 2036. The structure is 75 ft (22.9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWarren Shingle Roa
CrossesHutchinson Creek
Location0.85 Miles East of Inters
Coordinates39.11304, -121.40259
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16 US tons
Inventory rating11 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadH 15
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2016)
Projected traffic2,400 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Warren Shingle Roa over Hutchinson Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Warren Shingle Roa over Hutchinson Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Warren Shingle Roa over Hutchinson Creek carry?

About 2,000 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Warren Shingle Roa over Hutchinson Creek?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Warren Shingle Roa over Hutchinson Creek?

It is owned by the Air Force.