US Bridges

CR 166 over Alligator Creek No. 2

FairPosted for load

Washington County, Florida · 0.2 MI East of Cope RD · Structure no. 610007

Built
1968
57 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
74 ft
5 main spans
Daily traffic
700
2024 count
Owner
County
County Highway Agency

About this bridge

CR 166 over Alligator Creek No. 2 is a concrete slab carrying CR 166 over Alligator Creek No. 2 in Washington County, Florida. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 700 vehicles a day, roughly 7% of them trucks, projected to reach 1,215 by 2046. The structure is 74 ft (22.6 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCR 166
CrossesAlligator Creek No. 2
Location0.2 MI East of Cope RD
RouteCounty Highway 166
StateFlorida
Coordinates30.79092, -85.56186
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.4 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length74 ft (22.6 m)
Longest span15 ft (4.6 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2024)
Projected traffic1,215 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 166 over Alligator Creek No. 2 built?

It was built in 1968, making it 57 years old in 2025.

What condition is CR 166 over Alligator Creek No. 2 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 August 2024.

How much traffic does CR 166 over Alligator Creek No. 2 carry?

About 700 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is CR 166 over Alligator Creek No. 2?

The structure is 74 ft (22.6 m) long with a longest span of 15 ft (4.6 m) and a deck 29 ft wide.

Who owns CR 166 over Alligator Creek No. 2?

It is owned by the County Highway Agency.