US Bridges

West Smith Road over Unnamed Branch

Fair

Bay County, Florida · 0.3 MI S of Mckenzie Road · Structure no. 464507

Built
1973
52 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
20 ft
1 main span
Daily traffic
85
2023 count
Owner
County
County Highway Agency

About this bridge

West Smith Road over Unnamed Branch is a prestressed concrete channel beam carrying West Smith Road over Unnamed Branch in Bay County, Florida. It was built in 1973, so it is 52 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 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 85 vehicles a day, projected to reach 94 by 2043. The structure is 20 ft (6.2 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWest Smith Road
CrossesUnnamed Branch
Location0.3 MI S of Mckenzie Road
CountyBay County
StateFlorida
Coordinates30.26794, -85.64633
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2023)
Projected traffic94 by 2043
Trucks0%
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 West Smith Road over Unnamed Branch built?

It was built in 1973, making it 52 years old in 2025.

What condition is West Smith Road over Unnamed Branch 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 West Smith Road over Unnamed Branch carry?

About 85 vehicles per day (2023 count).

How long is West Smith Road over Unnamed Branch?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m) and a deck 27 ft wide.

Who owns West Smith Road over Unnamed Branch?

It is owned by the County Highway Agency.