US Bridges

Tram Road over Miller Bay

Good

Holmes County, Florida · 1.5 Miles East of SR81 · Structure no. 524229

Built
2024
1 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
48
2022 count
Owner
County
County Highway Agency

About this bridge

Tram Road over Miller Bay is a concrete culvert carrying Tram Road over Miller Bay in Holmes County, Florida. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 48 vehicles a day, projected to reach 53 by 2042. The structure is 26 ft (7.8 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTram Road
CrossesMiller Bay
Location1.5 Miles East of SR81
StateFlorida
Coordinates30.80497, -85.93511
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.1 US tons
Inventory rating40.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48 (2022)
Projected traffic53 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Tram Road over Miller Bay built?

It was built in 2024, making it 1 years old in 2025.

What condition is Tram Road over Miller Bay 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 March 2024.

How much traffic does Tram Road over Miller Bay carry?

About 48 vehicles per day (2022 count).

How long is Tram Road over Miller Bay?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Tram Road over Miller Bay?

It is owned by the County Highway Agency.