US Bridges

Malloy Bridge RD over Trinity River

Fair

Dallas County, Texas · 5.3 MI NE of IH 45 · Structure no. 180570AA0222005

Built
2000
25 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,192 ft
20 main spans
Daily traffic
2,534
2019 count
Owner
County
County Highway Agency

About this bridge

Malloy Bridge RD over Trinity River is a prestressed concrete stringer/multi-beam or girder carrying Malloy Bridge RD over Trinity River in Dallas County, Texas. It was built in 2000, so it is 25 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 5 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 2,534 vehicles a day, roughly 3% of them trucks, projected to reach 3,548 by 2041. The structure is 2,192 ft (668.1 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesMalloy Bridge RD
CrossesTrinity River
Location5.3 MI NE of IH 45
RouteCounty Highway 0
CountyDallas County
StateTexas
Coordinates32.59826, -96.58317
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
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 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 typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans20
Design loadHS 20
Structure length2,192 ft (668.1 m)
Longest span118 ft (36 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,534 (2019)
Projected traffic3,548 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Malloy Bridge RD over Trinity River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Malloy Bridge RD over Trinity River 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 April 2023.

How much traffic does Malloy Bridge RD over Trinity River carry?

About 2,534 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Malloy Bridge RD over Trinity River?

The structure is 2,192 ft (668.1 m) long with a longest span of 118 ft (36 m) and a deck 41 ft wide.

Who owns Malloy Bridge RD over Trinity River?

It is owned by the County Highway Agency.