US Bridges

Dunlap Road over Mill Creek

Fair

Fresno County, California · 0.5 MI S/O Millwood RD · Structure no. 42C0477

Built
1973
52 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
92 ft
4 main spans
Daily traffic
600
2006 count
Owner
County
County Highway Agency

About this bridge

Dunlap Road over Mill Creek is a concrete continuous slab carrying Dunlap Road over Mill Creek in Fresno County, California. It was built in 1973, so it is 52 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 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 600 vehicles a day, roughly 4% of them trucks, projected to reach 1,085 by 2041. The structure is 92 ft (27.9 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesDunlap Road
CrossesMill Creek
Location0.5 MI S/O Millwood RD
RouteCounty Highway 0
Coordinates36.72532, -119.11012
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length92 ft (27.9 m)
Longest span26 ft (7.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2006)
Projected traffic1,085 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Dunlap Road over Mill Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Dunlap Road over Mill Creek 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 May 2024.

How much traffic does Dunlap Road over Mill Creek carry?

About 600 vehicles per day (2006 count), of which roughly 4% are trucks.

How long is Dunlap Road over Mill Creek?

The structure is 92 ft (27.9 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.

Who owns Dunlap Road over Mill Creek?

It is owned by the County Highway Agency.