US Bridges

Chamberlain Blvd. over Markham Waterway

Good

Charlotte County, Florida · 3MI W of Cornelius Blvd. · Structure no. 014047

Built
1970
55 years old, rebuilt 2022
Condition
Good
inspected May 2024
Type
Slab
Prestressed Concrete
Length
91 ft
3 main spans
Daily traffic
1,300
2024 count
Owner
County
County Highway Agency

About this bridge

Chamberlain Blvd. over Markham Waterway is a prestressed concrete slab carrying Chamberlain Blvd. over Markham Waterway in Charlotte County, Florida. It was built in 1970 and reconstructed in 2022, so it is 55 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 1,300 vehicles a day, roughly 6% of them trucks, projected to reach 2,256 by 2044. The structure is 91 ft (27.7 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesChamberlain Blvd.
CrossesMarkham Waterway
Location3MI W of Cornelius Blvd.
RouteCounty Highway 0
StateFlorida
Coordinates27.02549, -82.24998
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating73.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.2 m)
Deck width36 ft (10.9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2024)
Projected traffic2,256 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Chamberlain Blvd. over Markham Waterway built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2022.

What condition is Chamberlain Blvd. over Markham Waterway 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 May 2024.

How much traffic does Chamberlain Blvd. over Markham Waterway carry?

About 1,300 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Chamberlain Blvd. over Markham Waterway?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.2 m) and a deck 36 ft wide.

Who owns Chamberlain Blvd. over Markham Waterway?

It is owned by the County Highway Agency.