US Bridges

Dobie DR over Trib Brown Branch

Fair

Collin County, Texas · 0.20 MI N of E Park Blvd · Structure no. 180430LS8618001

Built
1978
47 years old, rebuilt 1990
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
42 ft
5 main spans
Daily traffic
230
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dobie DR over Trib Brown Branch is a concrete culvert carrying Dobie DR over Trib Brown Branch in Collin County, Texas. It was built in 1978 and reconstructed in 1990, so it is 47 years old, older 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 230 vehicles a day, roughly 3% of them trucks, projected to reach 230 by 2042. The structure is 42 ft (12.8 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDobie DR
CrossesTrib Brown Branch
Location0.20 MI N of E Park Blvd
RouteCity Street 0
StateTexas
Coordinates33.03502, -96.69743
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
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 spans5
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span8 ft (2.4 m)
Deck width60 ft (18.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2009)
Projected traffic230 by 2042
Trucks3%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Dobie DR over Trib Brown Branch built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1990.

What condition is Dobie DR over Trib Brown Branch 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 June 2024.

How much traffic does Dobie DR over Trib Brown Branch carry?

About 230 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Dobie DR over Trib Brown Branch?

The structure is 42 ft (12.8 m) long with a longest span of 8 ft (2.4 m) and a deck 60 ft wide.

Who owns Dobie DR over Trib Brown Branch?

It is owned by the City or Municipal Highway Agency.