US Bridges

SH 86 over Drainage Ditch

Good

Castro County, Texas · 0.35 MI W of FM 168 · Structure no. 050350030203002

Built
1935
90 years old, rebuilt 1983
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
22 ft
5 main spans
Daily traffic
1,293
2020 count
Owner
State
State Highway Agency

About this bridge

SH 86 over Drainage Ditch is a concrete culvert carrying SH 86 over Drainage Ditch in Castro County, Texas. It was built in 1935 and reconstructed in 1983, so it is 90 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 1,293 vehicles a day, roughly 39% of them trucks, projected to reach 2,250 by 2033. The structure is 22 ft (6.7 m) long and 49 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesSH 86
CrossesDrainage Ditch
Location0.35 MI W of FM 168
RouteState Highway 86
CountyCastro County
StateTexas
Coordinates34.53891, -102.11188
Functional classRural Minor Arterial

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 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 adequacy6: Equal to 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 loadUnknown
Structure length22 ft (6.7 m)
Longest span4 ft (1.2 m)
Deck width49 ft (15 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,293 (2020)
Projected traffic2,250 by 2033
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 SH 86 over Drainage Ditch built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1983.

What condition is SH 86 over Drainage Ditch 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 2023.

How much traffic does SH 86 over Drainage Ditch carry?

About 1,293 vehicles per day (2020 count), of which roughly 39% are trucks.

How long is SH 86 over Drainage Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 4 ft (1.2 m) and a deck 49 ft wide.

Who owns SH 86 over Drainage Ditch?

It is owned by the State Highway Agency.