US Bridges

CR-941 Boca Chica over Similar Sound Local Cnl

Poor

Monroe County, Florida · 0.6 Mile E of US1 Mm 10.7 · Structure no. 904120

Built
1957
68 years old
Condition
Poor
inspected December 2023
Type
Tee Beam
Concrete
Length
51 ft
2 main spans
Daily traffic
2,230
2024 count
Owner
County
County Highway Agency

About this bridge

CR-941 Boca Chica over Similar Sound Local Cnl is a concrete tee beam carrying CR-941 Boca Chica over Similar Sound Local Cnl in Monroe County, Florida. It was built in 1957, so it is 68 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 2,230 vehicles a day, roughly 2% of them trucks, projected to reach 3,869 by 2042. The structure is 51 ft (15.6 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCR-941 Boca Chica
CrossesSimilar Sound Local Cnl
Location0.6 Mile E of US1 Mm 10.7
RouteCounty Highway 0
CountyMonroe County
StateFlorida
Coordinates24.5915, -81.64769
Functional classUrban Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length51 ft (15.6 m)
Longest span26 ft (7.8 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,230 (2024)
Projected traffic3,869 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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-941 Boca Chica over Similar Sound Local Cnl built?

It was built in 1957, making it 68 years old in 2025.

What condition is CR-941 Boca Chica over Similar Sound Local Cnl 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 December 2023.

How much traffic does CR-941 Boca Chica over Similar Sound Local Cnl carry?

About 2,230 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is CR-941 Boca Chica over Similar Sound Local Cnl?

The structure is 51 ft (15.6 m) long with a longest span of 26 ft (7.8 m) and a deck 34 ft wide.

Who owns CR-941 Boca Chica over Similar Sound Local Cnl?

It is owned by the County Highway Agency.