US Bridges

SH 99 over Ditch Crossing #60

Good

Liberty County, Texas · 1.4 MI NW US 90 · Structure no. 201460351009346

Built
2021
4 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
60 ft
3 main spans
Daily traffic
4,500
2022 count
Owner
State
State Highway Agency

About this bridge

SH 99 over Ditch Crossing #60 is a concrete culvert carrying SH 99 over Ditch Crossing #60 in Liberty County, Texas. It was built in 2021, so it is 4 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 4,500 vehicles a day, roughly 10% of them trucks, projected to reach 26,300 by 2049. The structure is 60 ft (18.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSH 99
CrossesDitch Crossing #60
Location1.4 MI NW US 90
RouteState Highway 99
CountyLiberty County
StateTexas
Coordinates30.02284, -94.95405
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic26,300 by 2049
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Toll Authority
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 SH 99 over Ditch Crossing #60 built?

It was built in 2021, making it 4 years old in 2025.

What condition is SH 99 over Ditch Crossing #60 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 July 2024.

How much traffic does SH 99 over Ditch Crossing #60 carry?

About 4,500 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SH 99 over Ditch Crossing #60?

The structure is 60 ft (18.3 m) long with a longest span of 11 ft (3.4 m).

Who owns SH 99 over Ditch Crossing #60?

It is owned by the State Highway Agency and maintained by the State Toll Authority.