US Bridges

CR 3031- Thomas DR over Grand Lagoon

Good

Bay County, Florida · 3.0 MI South of US98/SR30 · Structure no. 464096

Built
2011
14 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
250 ft
3 main spans
Daily traffic
16,600
2022 count
Owner
County
County Highway Agency

About this bridge

CR 3031- Thomas DR over Grand Lagoon is a prestressed concrete box beam or girders - single or spread carrying CR 3031- Thomas DR over Grand Lagoon in Bay County, Florida. It was built in 2011, so it is 14 years old, younger 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 16,600 vehicles a day, roughly 5% of them trucks, projected to reach 18,480 by 2042. The structure is 250 ft (76.2 m) long and 74 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCR 3031- Thomas DR
CrossesGrand Lagoon
Location3.0 MI South of US98/SR30
RouteCounty Highway 3031
CountyBay County
StateFlorida
Coordinates30.1475, -85.74861
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating75.2 US tons
Inventory rating55.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length250 ft (76.2 m)
Longest span83 ft (25.4 m)
Deck width74 ft (22.7 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,600 (2022)
Projected traffic18,480 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was CR 3031- Thomas DR over Grand Lagoon built?

It was built in 2011, making it 14 years old in 2025.

What condition is CR 3031- Thomas DR over Grand Lagoon 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 August 2023.

How much traffic does CR 3031- Thomas DR over Grand Lagoon carry?

About 16,600 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 3031- Thomas DR over Grand Lagoon?

The structure is 250 ft (76.2 m) long with a longest span of 83 ft (25.4 m) and a deck 74 ft wide.

Who owns CR 3031- Thomas DR over Grand Lagoon?

It is owned by the County Highway Agency.