US Bridges

Herlong Rd. over I-295 (SR-9A)

Good

Duval County, Florida · Herlong Rd. / I-295 · Structure no. 720273

Built
1972
53 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
252 ft
4 main spans
Daily traffic
5,700
2022 count
Owner
State
State Highway Agency

About this bridge

Herlong Rd. over I-295 (SR-9A) is a prestressed concrete stringer/multi-beam or girder carrying Herlong Rd. over I-295 (SR-9A) in Duval County, Florida. It was built in 1972, so it is 53 years old, older 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 5,700 vehicles a day, roughly 2% of them trucks, projected to reach 9,890 by 2044. The structure is 252 ft (76.8 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHerlong Rd.
CrossesI-295 (SR-9A)
LocationHerlong Rd. / I-295
RouteCity Street 0
CountyDuval County
StateFlorida
Coordinates30.28444, -81.77194
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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.5 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length252 ft (76.8 m)
Longest span89 ft (27.1 m)
Deck width46 ft (14.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2022)
Projected traffic9,890 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Herlong Rd. over I-295 (SR-9A) built?

It was built in 1972, making it 53 years old in 2025.

What condition is Herlong Rd. over I-295 (SR-9A) 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 May 2023.

How much traffic does Herlong Rd. over I-295 (SR-9A) carry?

About 5,700 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Herlong Rd. over I-295 (SR-9A)?

The structure is 252 ft (76.8 m) long with a longest span of 89 ft (27.1 m) and a deck 46 ft wide.

Who owns Herlong Rd. over I-295 (SR-9A)?

It is owned by the State Highway Agency.