US Bridges

E 11th Street over Martin Bayou

Fair

Bay County, Florida · 0.4 MI E of Transmitter R · Structure no. 460015

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
2,300
2023 count
Owner
County
County Highway Agency

About this bridge

E 11th Street over Martin Bayou is a prestressed concrete stringer/multi-beam or girder carrying E 11th Street over Martin Bayou in Bay 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 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 2,300 vehicles a day, roughly 10% of them trucks, projected to reach 3,990 by 2043. The structure is 43 ft (13.1 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE 11th Street
CrossesMartin Bayou
Location0.4 MI E of Transmitter R
RouteCounty Highway 28
StateFlorida
Coordinates30.16754, -85.60114
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic3,990 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

OwnerCounty Highway Agency
Maintained byCounty 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 E 11th Street over Martin Bayou built?

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

What condition is E 11th Street over Martin 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 E 11th Street over Martin Bayou carry?

About 2,300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is E 11th Street over Martin Bayou?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m) and a deck 42 ft wide.

Who owns E 11th Street over Martin Bayou?

It is owned by the County Highway Agency.