US Bridges

I-4 EB Ramp M1 over CR 46A EB

Good

Seminole County, Florida · I-4 EB Ramp M1-CR 46A EB · Structure no. 770133

Built
2023
2 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
189 ft
1 main span
Daily traffic
1,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-4 EB Ramp M1 over CR 46A EB is a steel stringer/multi-beam or girder carrying I-4 EB Ramp M1 over CR 46A EB in Seminole County, Florida. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 2,000 by 2045. The structure is 189 ft (57.6 m) long and 40 ft wide.

CarriesI-4 EB Ramp M1
CrossesCR 46A EB
LocationI-4 EB Ramp M1-CR 46A EB
RouteInterstate 400
StateFlorida
Coordinates28.79824, -81.34435
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.8 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length189 ft (57.6 m)
Longest span187 ft (57 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic2,000 by 2045
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-4 EB Ramp M1 over CR 46A EB built?

It was built in 2023, making it 2 years old in 2025.

What condition is I-4 EB Ramp M1 over CR 46A EB 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 April 2024.

How much traffic does I-4 EB Ramp M1 over CR 46A EB carry?

About 1,000 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is I-4 EB Ramp M1 over CR 46A EB?

The structure is 189 ft (57.6 m) long with a longest span of 187 ft (57 m) and a deck 40 ft wide.

Who owns I-4 EB Ramp M1 over CR 46A EB?

It is owned by the State Highway Agency.