US Bridges

117th Street over Vaca Channel # 1

Good

Monroe County, Florida · 200FT. S of US1 Mm 53.1 · Structure no. 904515

Built
1967
58 years old, rebuilt 2014
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
288
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

117th Street over Vaca Channel # 1 is a prestressed concrete slab carrying 117th Street over Vaca Channel # 1 in Monroe County, Florida. It was built in 1967 and reconstructed in 2014, so it is 58 years old, older 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 288 vehicles a day, roughly 2% of them trucks, projected to reach 859 by 2043. The structure is 33 ft (10.1 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries117th Street
CrossesVaca Channel # 1
Location200FT. S of US1 Mm 53.1
RouteCity Street 0
StateFlorida
Coordinates24.72931, -81.03133
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width34 ft (10.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic288 (2024)
Projected traffic859 by 2043
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$538,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 117th Street over Vaca Channel # 1 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2014.

What condition is 117th Street over Vaca Channel # 1 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 August 2024.

How much traffic does 117th Street over Vaca Channel # 1 carry?

About 288 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is 117th Street over Vaca Channel # 1?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 34 ft wide.

Who owns 117th Street over Vaca Channel # 1?

It is owned by the City or Municipal Highway Agency.