US Bridges

CR 520 over Draw

Good

Brazoria County, Texas · 0.35 MI W of FM 521 · Structure no. 120200AA0406001

Built
2010
15 years old
Condition
Good
inspected November 2023
Type
Other
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
1,359
2011 count
Owner
County
County Highway Agency

About this bridge

CR 520 over Draw is a prestressed concrete other carrying CR 520 over Draw in Brazoria County, Texas. It was built in 2010, so it is 15 years old, younger 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 1,359 vehicles a day, roughly 2% of them trucks, projected to reach 1,800 by 2031. The structure is 50 ft (15.2 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR 520
CrossesDraw
Location0.35 MI W of FM 521
RouteCounty Highway 520
CountyBrazoria County
StateTexas
Coordinates29.01109, -95.5836
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,359 (2011)
Projected traffic1,800 by 2031
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 520 over Draw built?

It was built in 2010, making it 15 years old in 2025.

What condition is CR 520 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 November 2023.

How much traffic does CR 520 over Draw carry?

About 1,359 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is CR 520 over Draw?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns CR 520 over Draw?

It is owned by the County Highway Agency.