US Bridges

West 14th Street over Lynn Haven Bayou

Fair

Bay County, Florida · 0.4 Miles West of SR 390 · Structure no. 464502

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
54 ft
2 main spans
Daily traffic
3,300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

West 14th Street over Lynn Haven Bayou is a concrete slab carrying West 14th Street over Lynn Haven Bayou in Bay County, Florida. It was built in 1978, so it is 47 years old, older 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 3,300 vehicles a day, roughly 10% of them trucks, projected to reach 5,725 by 2043. The structure is 54 ft (16.5 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWest 14th Street
CrossesLynn Haven Bayou
Location0.4 Miles West of SR 390
RouteCity Street 0
StateFlorida
Coordinates30.23777, -85.66021
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span27 ft (8.2 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic5,725 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 West 14th Street over Lynn Haven Bayou built?

It was built in 1978, making it 47 years old in 2025.

What condition is West 14th Street over Lynn Haven Bayou 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 September 2024.

How much traffic does West 14th Street over Lynn Haven Bayou carry?

About 3,300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is West 14th Street over Lynn Haven Bayou?

The structure is 54 ft (16.5 m) long with a longest span of 27 ft (8.2 m) and a deck 38 ft wide.

Who owns West 14th Street over Lynn Haven Bayou?

It is owned by the City or Municipal Highway Agency.