IH 20 Ml over Draw

Good

Callahan County, Texas · 0.30 MI W of US 283 · Structure no. 080300000701094

Built: 1965; 60 years old
Condition: Good; inspected February 2023
Type: Culvert; Concrete
Length: 38 ft; 5 main spans
Daily traffic: 18,690; 2013 count
Owner: State; State Highway Agency

About this bridge

IH 20 Ml over Draw is a concrete culvert carrying IH 20 Ml over Draw in Callahan County, Texas. It was built in 1965, so it is 60 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 18,690 vehicles a day, roughly 30% of them trucks, projected to reach 26,170 by 2033. The structure is 38 ft (11.6 m) long and 181 ft wide.

Location

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CarriesIH 20 Ml

CrossesDraw

Location0.30 MI W of US 283

RouteInterstate 20

CountyCallahan County

StateTexas

Coordinates32.40353, -99.39335

Functional classRural 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.

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

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 loadOther

Structure length38 ft (11.6 m)

Longest span6 ft (1.8 m)

Deck width181 ft (55.3 m)

Roadway width120 ft (36.6 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,690 (2013)

Projected traffic26,170 by 2033

Trucks30%

Lanes on structure6

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 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 IH 20 Ml over Draw built?

It was built in 1965, making it 60 years old in 2025.

What condition is IH 20 Ml over Draw 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 20 Ml over Draw carry?

About 18,690 vehicles per day (2013 count), of which roughly 30% are trucks.

How long is IH 20 Ml over Draw?

The structure is 38 ft (11.6 m) long with a longest span of 6 ft (1.8 m) and a deck 181 ft wide.

Who owns IH 20 Ml over Draw?

It is owned by the State Highway Agency.