US Bridges

Grand National DR over I-4 (SR-400) WB

Good

Orange County, Florida · 0.3MI East of Kirkman RD · Structure no. 750899

Built
2017
8 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
2 main spans
Daily traffic
10,000
2021 count
Owner
State
State Highway Agency

About this bridge

Grand National DR over I-4 (SR-400) WB is a steel continuous stringer/multi-beam or girder carrying Grand National DR over I-4 (SR-400) WB in Orange County, Florida. It was built in 2017, so it is 8 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 10,000 vehicles a day, roughly 1% of them trucks, projected to reach 20,000 by 2041. The structure is 254 ft (77.3 m) long and 129 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGrand National DR
CrossesI-4 (SR-400) WB
Location0.3MI East of Kirkman RD
RouteCity Street 0
CountyOrange County
StateFlorida
Coordinates28.47422, -81.45622
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length254 ft (77.3 m)
Longest span138 ft (42.2 m)
Deck width129 ft (39.3 m)
Roadway width92 ft (27.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2021)
Projected traffic20,000 by 2041
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Grand National DR over I-4 (SR-400) WB built?

It was built in 2017, making it 8 years old in 2025.

What condition is Grand National DR over I-4 (SR-400) WB 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 January 2025.

How much traffic does Grand National DR over I-4 (SR-400) WB carry?

About 10,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Grand National DR over I-4 (SR-400) WB?

The structure is 254 ft (77.3 m) long with a longest span of 138 ft (42.2 m) and a deck 129 ft wide.

Who owns Grand National DR over I-4 (SR-400) WB?

It is owned by the State Highway Agency.