US Bridges

RM 474 (blanco Rd) over Draw

Good

Kendall County, Texas · 0.25 MI E of Bus 87 · Structure no. 151310104201003

Built
1959
66 years old, rebuilt 1993
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
46 ft
6 main spans
Daily traffic
8,785
2023 count
Owner
State
State Highway Agency

About this bridge

RM 474 (blanco Rd) over Draw is a concrete culvert carrying RM 474 (blanco Rd) over Draw in Kendall County, Texas. It was built in 1959 and reconstructed in 1993, so it is 66 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 8,785 vehicles a day, roughly 5% of them trucks, projected to reach 13,750 by 2033. The structure is 46 ft (14 m) long and 55 ft wide.

CarriesRM 474 (blanco Rd)
CrossesDraw
Location0.25 MI E of Bus 87
RouteState Highway 474
StateTexas
Coordinates29.79583, -98.72876
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than 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 spans6
Design loadOther
Structure length46 ft (14 m)
Longest span7 ft (2.1 m)
Deck width55 ft (16.8 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,785 (2023)
Projected traffic13,750 by 2033
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RM 474 (blanco Rd) over Draw built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1993.

What condition is RM 474 (blanco Rd) 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 June 2024.

How much traffic does RM 474 (blanco Rd) over Draw carry?

About 8,785 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is RM 474 (blanco Rd) over Draw?

The structure is 46 ft (14 m) long with a longest span of 7 ft (2.1 m) and a deck 55 ft wide.

Who owns RM 474 (blanco Rd) over Draw?

It is owned by the State Highway Agency.