US Bridges

CR 559 over Lavon Lake

Fair

Collin County, Texas · 0.05 MI N of US 380 · Structure no. 180430AA0412001

Built
1972
53 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,520 ft
35 main spans
Daily traffic
538
2022 count
Owner
County
County Highway Agency

About this bridge

CR 559 over Lavon Lake is a prestressed concrete stringer/multi-beam or girder carrying CR 559 over Lavon Lake in Collin County, Texas. It was built in 1972, so it is 53 years old, older than the Texas average of 44.4 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 538 vehicles a day, roughly 7% of them trucks, projected to reach 312 by 2031. The structure is 2,520 ft (768.1 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCR 559
CrossesLavon Lake
Location0.05 MI N of US 380
RouteCounty Highway 559
CountyCollin County
StateTexas
Coordinates33.16712, -96.43238
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans35
Design loadH 20
Structure length2,520 ft (768.1 m)
Longest span72 ft (21.9 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic538 (2022)
Projected traffic312 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 559 over Lavon Lake built?

It was built in 1972, making it 53 years old in 2025.

What condition is CR 559 over Lavon Lake 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 April 2023.

How much traffic does CR 559 over Lavon Lake carry?

About 538 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is CR 559 over Lavon Lake?

The structure is 2,520 ft (768.1 m) long with a longest span of 72 ft (21.9 m) and a deck 28 ft wide.

Who owns CR 559 over Lavon Lake?

It is owned by the County Highway Agency.