US Bridges

Commerce ST over Trinity River

Fair

Dallas County, Texas · 0.15 W of River Front · Structure no. 1805709F7325005

Built
1930
95 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,969 ft
3 main spans
Daily traffic
10,834
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Commerce ST over Trinity River is a steel continuous stringer/multi-beam or girder carrying Commerce ST over Trinity River in Dallas County, Texas. It was built in 1930, so it is 95 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 10,834 vehicles a day, roughly 7% of them trucks, projected to reach 19,720 by 2037. The structure is 1,969 ft (600.2 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCommerce ST
CrossesTrinity River
Location0.15 W of River Front
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.77571, -96.81914
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+33 approach)
Design loadUnknown
Structure length1,969 ft (600.2 m)
Longest span120 ft (36.6 m)
Deck width72 ft (21.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,834 (2019)
Projected traffic19,720 by 2037
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Commerce ST over Trinity River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Commerce ST 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 Commerce ST over Trinity River carry?

About 10,834 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Commerce ST over Trinity River?

The structure is 1,969 ft (600.2 m) long with a longest span of 120 ft (36.6 m) and a deck 72 ft wide.

Who owns Commerce ST over Trinity River?

It is owned by the City or Municipal Highway Agency.