US Bridges

RM 620 over Draw

Good

Williamson County, Texas · 0.10 MI N of SH 45 · Structure no. 142460068301056

Built
2006
19 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
22 ft
4 main spans
Daily traffic
27,411
2021 count
Owner
State
State Highway Agency

About this bridge

RM 620 over Draw is a concrete culvert carrying RM 620 over Draw in Williamson County, Texas. It was built in 2006, so it is 19 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 27,411 vehicles a day, roughly 7% of them trucks, projected to reach 41,116 by 2041. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRM 620
CrossesDraw
Location0.10 MI N of SH 45
RouteState Highway 620
StateTexas
Coordinates30.48216, -97.74333
Functional classUrban Other Principal Arterial

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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length22 ft (6.7 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 traffic27,411 (2021)
Projected traffic41,116 by 2041
Trucks7%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 RM 620 over Draw built?

It was built in 2006, making it 19 years old in 2025.

What condition is RM 620 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 January 2023.

How much traffic does RM 620 over Draw carry?

About 27,411 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is RM 620 over Draw?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m).

Who owns RM 620 over Draw?

It is owned by the State Highway Agency.