US Bridges

N FM 620 over Draw

Fair

Williamson County, Texas · 2.3 MI N of SH 45 · Structure no. 142460068301496

Built
2012
13 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
42,058
2021 count
Owner
State
State Highway Agency

About this bridge

N FM 620 over Draw is a concrete culvert carrying N FM 620 over Draw in Williamson County, Texas. It was built in 2012, so it is 13 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 42,058 vehicles a day, roughly 5% of them trucks, projected to reach 62,246 by 2041. The structure is 26 ft (7.9 m) long and 181 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesN FM 620
CrossesDraw
Location2.3 MI N of SH 45
RouteState Highway 620
StateTexas
Coordinates30.50385, -97.71843
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span9 ft (2.7 m)
Deck width181 ft (55.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,058 (2021)
Projected traffic62,246 by 2041
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 N FM 620 over Draw built?

It was built in 2012, making it 13 years old in 2025.

What condition is N FM 620 over Draw in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does N FM 620 over Draw carry?

About 42,058 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is N FM 620 over Draw?

The structure is 26 ft (7.9 m) long with a longest span of 9 ft (2.7 m) and a deck 181 ft wide.

Who owns N FM 620 over Draw?

It is owned by the State Highway Agency.