US Bridges

Mills Swamp House over Unnamed Branch

Good

Escambia County, Florida · 0.03 MI W of US 90 · Structure no. 484291

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Mills Swamp House over Unnamed Branch is a concrete culvert carrying Mills Swamp House over Unnamed Branch in Escambia County, Florida. It was built in 2017, so it is 8 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 50 vehicles a day, projected to reach 87 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMills Swamp House
CrossesUnnamed Branch
Location0.03 MI W of US 90
RouteCounty Highway 0
CountyEscambia County
StateFlorida
Coordinates30.54358, -87.19731
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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58 US tons
Inventory rating48.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic87 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Mills Swamp House over Unnamed Branch built?

It was built in 2017, making it 8 years old in 2025.

What condition is Mills Swamp House over Unnamed Branch 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 June 2023.

How much traffic does Mills Swamp House over Unnamed Branch carry?

About 50 vehicles per day (2023 count).

How long is Mills Swamp House over Unnamed Branch?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m).

Who owns Mills Swamp House over Unnamed Branch?

It is owned by the County Highway Agency.