US Bridges

Miner Rd. over E-4 Canal

Good

Palm Beach County, Florida · 0.3MI E of Congress Ave. · Structure no. 934942

Built
1990
35 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
108 ft
3 main spans
Daily traffic
8,700
2023 count
Owner
County
County Highway Agency

About this bridge

Miner Rd. over E-4 Canal is a prestressed concrete slab carrying Miner Rd. over E-4 Canal in Palm Beach County, Florida. It was built in 1990, so it is 35 years old, younger than the Florida average of 41.3 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 8,700 vehicles a day, roughly 8% of them trucks, projected to reach 15,095 by 2045. The structure is 108 ft (33 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMiner Rd.
CrossesE-4 Canal
Location0.3MI E of Congress Ave.
RouteCounty Highway 0
StateFlorida
Coordinates26.55723, -80.08505
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length108 ft (33 m)
Longest span36 ft (11.1 m)
Deck width52 ft (16 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2023)
Projected traffic15,095 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Miner Rd. over E-4 Canal built?

It was built in 1990, making it 35 years old in 2025.

What condition is Miner Rd. over E-4 Canal 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 August 2024.

How much traffic does Miner Rd. over E-4 Canal carry?

About 8,700 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Miner Rd. over E-4 Canal?

The structure is 108 ft (33 m) long with a longest span of 36 ft (11.1 m) and a deck 52 ft wide.

Who owns Miner Rd. over E-4 Canal?

It is owned by the County Highway Agency.