US Bridges

Maryland Avenue over Lynn Haven Bayou

Fair

Bay County, Florida · 0.33 MI N of W 14th ST · Structure no. 465110

Built
1999
26 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maryland Avenue over Lynn Haven Bayou is a prestressed concrete slab carrying Maryland Avenue over Lynn Haven Bayou in Bay County, Florida. It was built in 1999, so it is 26 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 5 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 1,100 vehicles a day, roughly 1% of them trucks, projected to reach 1,210 by 2042. The structure is 40 ft (12.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMaryland Avenue
CrossesLynn Haven Bayou
Location0.33 MI N of W 14th ST
RouteCity Street 0
CountyBay County
StateFlorida
Coordinates30.24264, -85.66917
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,210 by 2042
Trucks1%
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 Maryland Avenue over Lynn Haven Bayou built?

It was built in 1999, making it 26 years old in 2025.

What condition is Maryland Avenue 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 July 2023.

How much traffic does Maryland Avenue over Lynn Haven Bayou carry?

About 1,100 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Maryland Avenue over Lynn Haven Bayou?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns Maryland Avenue over Lynn Haven Bayou?

It is owned by the City or Municipal Highway Agency.