US Bridges

US-1 (SR-5) SB over Fec Rr(olympia Overpass)

Fair

Martin County, Florida · 1 Mile South of CR-708 · Structure no. 890001

Built
1956
69 years old, rebuilt 2002
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
196 ft
5 main spans
Daily traffic
10,000
2022 count
Owner
State
State Highway Agency

About this bridge

US-1 (SR-5) SB over Fec Rr(olympia Overpass) is a steel stringer/multi-beam or girder carrying US-1 (SR-5) SB over Fec Rr(olympia Overpass) in Martin County, Florida. It was built in 1956 and reconstructed in 2002, so it is 69 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,000 vehicles a day, roughly 8% of them trucks, projected to reach 17,350 by 2044. The structure is 196 ft (59.7 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-1 (SR-5) SB
CrossesFec Rr(olympia Overpass)
Location1 Mile South of CR-708
RouteU.S. Route 1
StateFlorida
Coordinates27.04388, -80.11728
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.7 US tons
Inventory rating46.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span56 ft (17.1 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2022)
Projected traffic17,350 by 2044
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-1 (SR-5) SB over Fec Rr(olympia Overpass) built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2002.

What condition is US-1 (SR-5) SB over Fec Rr(olympia Overpass) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does US-1 (SR-5) SB over Fec Rr(olympia Overpass) carry?

About 10,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US-1 (SR-5) SB over Fec Rr(olympia Overpass)?

The structure is 196 ft (59.7 m) long with a longest span of 56 ft (17.1 m) and a deck 39 ft wide.

Who owns US-1 (SR-5) SB over Fec Rr(olympia Overpass)?

It is owned by the State Highway Agency.