US Bridges

SR-436 WB over Howell Branch

Good

Seminole County, Florida · SR-436 WB - Howell Branch · Structure no. 770028

Built
1966
59 years old, rebuilt 1995
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
187 ft
5 main spans
Daily traffic
29,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-436 WB over Howell Branch is a prestressed concrete stringer/multi-beam or girder carrying SR-436 WB over Howell Branch in Seminole County, Florida. It was built in 1966 and reconstructed in 1995, so it is 59 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 29,500 vehicles a day, roughly 6% of them trucks, projected to reach 51,182 by 2044. The structure is 187 ft (57 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR-436 WB
CrossesHowell Branch
LocationSR-436 WB - Howell Branch
RouteState Highway 436
StateFlorida
Coordinates28.63526, -81.32037
Functional classUrban Other Principal Arterial

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating43.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length187 ft (57 m)
Longest span37 ft (11.3 m)
Deck width64 ft (19.4 m)
Roadway width53 ft (16.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,500 (2022)
Projected traffic51,182 by 2044
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-436 WB over Howell Branch built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1995.

What condition is SR-436 WB over Howell Branch 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 2023.

How much traffic does SR-436 WB over Howell Branch carry?

About 29,500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR-436 WB over Howell Branch?

The structure is 187 ft (57 m) long with a longest span of 37 ft (11.3 m) and a deck 64 ft wide.

Who owns SR-436 WB over Howell Branch?

It is owned by the State Highway Agency.