US Bridges

NW 97th Avenue over SR836/ NW12st/97AVSER RD

Good

Miami-Dade County, Florida · 0.25MI S of NW 12th ST · Structure no. 874249

Built
2007
18 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,171 ft
9 main spans
Daily traffic
13,559
2024 count
Owner
County
County Highway Agency

About this bridge

NW 97th Avenue over SR836/ NW12st/97AVSER RD is a prestressed concrete stringer/multi-beam or girder carrying NW 97th Avenue over SR836/ NW12st/97AVSER RD in Miami-Dade County, Florida. It was built in 2007, so it is 18 years old, younger 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 13,559 vehicles a day, roughly 4% of them trucks, projected to reach 20,500 by 2042. The structure is 1,171 ft (357 m) long and 92 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNW 97th Avenue
CrossesSR836/ NW12st/97AVSER RD
Location0.25MI S of NW 12th ST
RouteCounty Highway 0
StateFlorida
Coordinates25.78139, -80.35306
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHL 93
Structure length1,171 ft (357 m)
Longest span143 ft (43.6 m)
Deck width92 ft (27.9 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,559 (2024)
Projected traffic20,500 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW 97th Avenue over SR836/ NW12st/97AVSER RD built?

It was built in 2007, making it 18 years old in 2025.

What condition is NW 97th Avenue over SR836/ NW12st/97AVSER RD 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 July 2024.

How much traffic does NW 97th Avenue over SR836/ NW12st/97AVSER RD carry?

About 13,559 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is NW 97th Avenue over SR836/ NW12st/97AVSER RD?

The structure is 1,171 ft (357 m) long with a longest span of 143 ft (43.6 m) and a deck 92 ft wide.

Who owns NW 97th Avenue over SR836/ NW12st/97AVSER RD?

It is owned by the County Highway Agency.