US Bridges

Lp 499 over Ccwid #1 Main N Drain

Fair

Cameron County, Texas · 0.60 MI E of US 77 · Structure no. 210310113702002

Built
1978
47 years old, rebuilt 2004
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
13,770
2024 count
Owner
State
State Highway Agency

About this bridge

Lp 499 over Ccwid #1 Main N Drain is a concrete continuous slab carrying Lp 499 over Ccwid #1 Main N Drain in Cameron County, Texas. It was built in 1978 and reconstructed in 2004, so it is 47 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 13,770 vehicles a day, roughly 7% of them trucks, projected to reach 19,060 by 2033. The structure is 80 ft (24.4 m) long and 105 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLp 499
CrossesCcwid #1 Main N Drain
Location0.60 MI E of US 77
RouteState Highway 499
StateTexas
Coordinates26.22569, -97.71067
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span30 ft (9.1 m)
Deck width105 ft (32 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,770 (2024)
Projected traffic19,060 by 2033
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Lp 499 over Ccwid #1 Main N Drain built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2004.

What condition is Lp 499 over Ccwid #1 Main N Drain 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 March 2023.

How much traffic does Lp 499 over Ccwid #1 Main N Drain carry?

About 13,770 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Lp 499 over Ccwid #1 Main N Drain?

The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 105 ft wide.

Who owns Lp 499 over Ccwid #1 Main N Drain?

It is owned by the State Highway Agency.