US Bridges

Duncan Road (nb) over Murray Road

Fair

Escambia County, Florida · 1 KM N of Taylor Road · Structure no. 1FL3667

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
146 ft
3 main spans
Daily traffic
1,300
2013 count
Owner
Federal
Navy / Marines

About this bridge

Duncan Road (nb) over Murray Road is a prestressed concrete stringer/multi-beam or girder carrying Duncan Road (nb) over Murray Road in Escambia County, Florida. It was built in 1984, so it is 41 years old, younger than the Florida average of 41.3 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 1,300 vehicles a day, roughly 11% of them trucks, projected to reach 1,400 by 2032. The structure is 146 ft (44.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesDuncan Road (nb)
CrossesMurray Road
Location1 KM N of Taylor Road
CountyEscambia County
StateFlorida
Coordinates30.36639, -87.27803
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating28.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2013)
Projected traffic1,400 by 2032
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$37,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Duncan Road (nb) over Murray Road built?

It was built in 1984, making it 41 years old in 2025.

What condition is Duncan Road (nb) over Murray Road 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 March 2023.

How much traffic does Duncan Road (nb) over Murray Road carry?

About 1,300 vehicles per day (2013 count), of which roughly 11% are trucks.

How long is Duncan Road (nb) over Murray Road?

The structure is 146 ft (44.5 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns Duncan Road (nb) over Murray Road?

It is owned by the Navy / Marines.