US Bridges

US-19 NB (SR-55) over Shamrock Creek Relief

Fair

Dixie County, Florida · 0.5 Mi. N. of Cross City · Structure no. 300025

Built
1962
63 years old
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
135 ft
5 main spans
Daily traffic
2,950
2023 count
Owner
State
State Highway Agency

About this bridge

US-19 NB (SR-55) over Shamrock Creek Relief is a prestressed concrete slab carrying US-19 NB (SR-55) over Shamrock Creek Relief in Dixie County, Florida. It was built in 1962, so it is 63 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 2,950 vehicles a day, roughly 18% of them trucks, projected to reach 5,118 by 2045. The structure is 135 ft (41.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS-19 NB (SR-55)
CrossesShamrock Creek Relief
Location0.5 Mi. N. of Cross City
RouteU.S. Route 19
CountyDixie County
StateFlorida
Coordinates29.64349, -83.1484
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20 + Mod
Structure length135 ft (41.1 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.5 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2023)
Projected traffic5,118 by 2045
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 US-19 NB (SR-55) over Shamrock Creek Relief built?

It was built in 1962, making it 63 years old in 2025.

What condition is US-19 NB (SR-55) over Shamrock Creek Relief 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 November 2024.

How much traffic does US-19 NB (SR-55) over Shamrock Creek Relief carry?

About 2,950 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is US-19 NB (SR-55) over Shamrock Creek Relief?

The structure is 135 ft (41.1 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns US-19 NB (SR-55) over Shamrock Creek Relief?

It is owned by the State Highway Agency.