Lp 143 over Drain

Good

Ochiltree County, Texas · 0.7 MI S of FM 1267 · Structure no. 041790261301001

Built: 1970; 55 years old
Condition: Good; inspected November 2023
Type: Culvert; Concrete
Length: 28 ft; 5 main spans
Daily traffic: 472; 2020 count
Owner: State; State Highway Agency

About this bridge

Lp 143 over Drain is a concrete culvert carrying Lp 143 over Drain in Ochiltree County, Texas. It was built in 1970, so it is 55 years old, older 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 472 vehicles a day, roughly 35% of them trucks, projected to reach 390 by 2033. The structure is 28 ft (8.5 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLp 143

CrossesDrain

Location0.7 MI S of FM 1267

RouteState Highway 143

CountyOchiltree County

StateTexas

Coordinates36.41782, -100.82822

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.

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	7 Good	Some minor problems.

Last inspectionNovember 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Deck geometry9: Superior to present desirable criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating44 US tons

Inventory rating26 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckConcrete, cast-in-place

Main spans5

Design loadHS 20

Structure length28 ft (8.5 m)

Longest span5 ft (1.5 m)

Deck width89 ft (27.2 m)

Roadway width88 ft (26.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2020)

Projected traffic390 by 2033

Trucks35%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.2 mi (2 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency

Maintained byState 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 Lp 143 over Drain built?

It was built in 1970, making it 55 years old in 2025.

What condition is Lp 143 over 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 November 2023.

How much traffic does Lp 143 over Drain carry?

About 472 vehicles per day (2020 count), of which roughly 35% are trucks.

How long is Lp 143 over Drain?

The structure is 28 ft (8.5 m) long with a longest span of 5 ft (1.5 m) and a deck 89 ft wide.

Who owns Lp 143 over Drain?

It is owned by the State Highway Agency.