US Bridges

CR-775 over Ainger Creek

Poor

Charlotte County, Florida · 350FT S/O Manor RD · Structure no. 010062

Built
1981
44 years old, rebuilt 2002
Condition
Poor
inspected June 2024
Type
Slab
Concrete Continuous
Length
116 ft
4 main spans
Daily traffic
15,900
2024 count
Owner
County
County Highway Agency

About this bridge

CR-775 over Ainger Creek is a concrete continuous slab carrying CR-775 over Ainger Creek in Charlotte County, Florida. It was built in 1981 and reconstructed in 2002, so it is 44 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 15,900 vehicles a day, roughly 4% of them trucks, projected to reach 27,586 by 2044. The structure is 116 ft (35.4 m) long and 88 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR-775
CrossesAinger Creek
Location350FT S/O Manor RD
RouteCounty Highway 775
StateFlorida
Coordinates26.93088, -82.33667
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating91.7 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length116 ft (35.4 m)
Longest span31 ft (9.6 m)
Deck width88 ft (26.8 m)
Roadway width66 ft (20 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,900 (2024)
Projected traffic27,586 by 2044
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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-775 over Ainger Creek built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2002.

What condition is CR-775 over Ainger Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does CR-775 over Ainger Creek carry?

About 15,900 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is CR-775 over Ainger Creek?

The structure is 116 ft (35.4 m) long with a longest span of 31 ft (9.6 m) and a deck 88 ft wide.

Who owns CR-775 over Ainger Creek?

It is owned by the County Highway Agency.