US Bridges

IH 35 Ml & FR over Drainage Ditch

Fair

Bexar County, Texas · 0.87 MI N E of Lp 1604 · Structure no. 150150001607174

Built
1933
92 years old, rebuilt 1990
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
30 ft
5 main spans
Daily traffic
203,627
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 Ml & FR over Drainage Ditch is a concrete culvert carrying IH 35 Ml & FR over Drainage Ditch in Bexar County, Texas. It was built in 1933 and reconstructed in 1990, so it is 92 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 203,627 vehicles a day, roughly 14% of them trucks, projected to reach 297,295 by 2042. The structure is 30 ft (9.1 m) long.

CarriesIH 35 Ml & FR
CrossesDrainage Ditch
Location0.87 MI N E of Lp 1604
RouteInterstate 35
StateTexas
Coordinates29.57671, -98.32266
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
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 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
DeckNot applicable
Main spans5
Design loadH 15
Structure length30 ft (9.1 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203,627 (2022)
Projected traffic297,295 by 2042
Trucks14%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 35 Ml & FR over Drainage Ditch built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1990.

What condition is IH 35 Ml & FR over Drainage Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does IH 35 Ml & FR over Drainage Ditch carry?

About 203,627 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is IH 35 Ml & FR over Drainage Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 5 ft (1.5 m).

Who owns IH 35 Ml & FR over Drainage Ditch?

It is owned by the State Highway Agency.