US Bridges

FM 2099 over N Main Drain

Good

Willacy County, Texas · 1.80 MI S of JCT FM 490 · Structure no. 212450194402002

Built
1984
41 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
161
2020 count
Owner
State
State Highway Agency

About this bridge

FM 2099 over N Main Drain is a concrete culvert carrying FM 2099 over N Main Drain in Willacy County, Texas. It was built in 1984, so it is 41 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 161 vehicles a day, roughly 34% of them trucks, projected to reach 260 by 2033. The structure is 21 ft (6.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 2099
CrossesN Main Drain
Location1.80 MI S of JCT FM 490
RouteState Highway 2099
StateTexas
Coordinates26.42636, -97.70739
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2020)
Projected traffic260 by 2033
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 FM 2099 over N Main Drain built?

It was built in 1984, making it 41 years old in 2025.

What condition is FM 2099 over N Main Drain 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 August 2024.

How much traffic does FM 2099 over N Main Drain carry?

About 161 vehicles per day (2020 count), of which roughly 34% are trucks.

How long is FM 2099 over N Main Drain?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 36 ft wide.

Who owns FM 2099 over N Main Drain?

It is owned by the State Highway Agency.