US Bridges

IH 35 over Drainage Ditch

Good

McLennan County, Texas · 0.3 MI N of Lp 340 · Structure no. 091610001501322

Built
1972
53 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
77,498
2020 count
Owner
State
State Highway Agency

About this bridge

IH 35 over Drainage Ditch is a concrete culvert carrying IH 35 over Drainage Ditch in McLennan County, Texas. It was built in 1972, so it is 53 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 77,498 vehicles a day, roughly 23% of them trucks, projected to reach 112,510 by 2033. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 35
CrossesDrainage Ditch
Location0.3 MI N of Lp 340
RouteInterstate 35
CountyMcLennan County
StateTexas
Coordinates31.60821, -97.10578
Functional classUrban Principal Arterial - Interstate

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,498 (2020)
Projected traffic112,510 by 2033
Trucks23%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 over Drainage Ditch built?

It was built in 1972, making it 53 years old in 2025.

What condition is IH 35 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 February 2023.

How much traffic does IH 35 over Drainage Ditch carry?

About 77,498 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is IH 35 over Drainage Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 7 ft (2.1 m).

Who owns IH 35 over Drainage Ditch?

It is owned by the State Highway Agency.