US Bridges

FM 603 over Draw

Good

Callahan County, Texas · 6.6 MI S of IH 20 · Structure no. 080300097301001

Built
1960
65 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
842
2020 count
Owner
State
State Highway Agency

About this bridge

FM 603 over Draw is a concrete culvert carrying FM 603 over Draw in Callahan County, Texas. It was built in 1960, so it is 65 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 842 vehicles a day, roughly 19% of them trucks, projected to reach 1,180 by 2033. The structure is 26 ft (7.9 m) long and 33 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesFM 603
CrossesDraw
Location6.6 MI S of IH 20
RouteState Highway 603
StateTexas
Coordinates32.32902, -99.56208
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum 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 spans3
Design loadOther
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic842 (2020)
Projected traffic1,180 by 2033
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 FM 603 over Draw built?

It was built in 1960, making it 65 years old in 2025.

What condition is FM 603 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 FM 603 over Draw carry?

About 842 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is FM 603 over Draw?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 33 ft wide.

Who owns FM 603 over Draw?

It is owned by the State Highway Agency.