US Bridges

W 15th Street over Huntington Bayou

PoorPosted for load

Bay County, Florida · 0.4 Mi. S. US98/SR30 · Structure no. 460003

Built
1956
69 years old
Condition
Poor
inspected June 2024
Type
Slab
Concrete
Length
90 ft
5 main spans
Daily traffic
1,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 15th Street over Huntington Bayou is a concrete slab carrying W 15th Street over Huntington Bayou in Bay County, Florida. It was built in 1956, so it is 69 years old, older than the Florida average of 41.3 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 1,500 vehicles a day, roughly 4% of them trucks, projected to reach 1,650 by 2043. The structure is 90 ft (27.4 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW 15th Street
CrossesHuntington Bayou
Location0.4 Mi. S. US98/SR30
RouteCity Street 30A
StateFlorida
Coordinates30.17565, -85.70746
Functional classUrban Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length90 ft (27.4 m)
Longest span20 ft (6 m)
Deck width53 ft (16.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic1,650 by 2043
Trucks4%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 W 15th Street over Huntington Bayou built?

It was built in 1956, making it 69 years old in 2025.

What condition is W 15th Street over Huntington Bayou 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 June 2024.

How much traffic does W 15th Street over Huntington Bayou carry?

About 1,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is W 15th Street over Huntington Bayou?

The structure is 90 ft (27.4 m) long with a longest span of 20 ft (6 m) and a deck 53 ft wide.

Who owns W 15th Street over Huntington Bayou?

It is owned by the City or Municipal Highway Agency.