North First ST over Mills Branch
GoodDallas County, Texas · 0.25 MI N of Ave B · Structure no. 180570B13474044
- Built
- 1961
- 64 years old, rebuilt 1990
- Condition
- Good
- inspected February 2023
- Type
- Slab
- Concrete Continuous
- Length
- 72 ft
- 3 main spans
- Daily traffic
- 18,389
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
North First ST over Mills Branch is a concrete continuous slab carrying North First ST over Mills Branch in Dallas County, Texas. It was built in 1961 and reconstructed in 1990, so it is 64 years old, older 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 18,389 vehicles a day, roughly 5% of them trucks, projected to reach 48,000 by 2031. The structure is 72 ft (21.9 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was North First ST over Mills Branch built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1990.
What condition is North First ST over Mills Branch 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 February 2023.
How much traffic does North First ST over Mills Branch carry?
About 18,389 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is North First ST over Mills Branch?
The structure is 72 ft (21.9 m) long with a longest span of 24 ft (7.3 m) and a deck 94 ft wide.
Who owns North First ST over Mills Branch?
It is owned by the City or Municipal Highway Agency.