US Bridges

Port Blvd over Mill Creek

Good

Trinity County, Texas · 0.1 MI N of FM 356 · Structure no. 112280AA0675002

Built
2014
11 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
180 ft
4 main spans
Daily traffic
100
2018 count
Owner
County
County Highway Agency

About this bridge

Port Blvd over Mill Creek is a prestressed concrete slab carrying Port Blvd over Mill Creek in Trinity County, Texas. It was built in 2014, so it is 11 years old, younger 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 100 vehicles a day, projected to reach 60 by 2035. The structure is 180 ft (54.9 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesPort Blvd
CrossesMill Creek
Location0.1 MI N of FM 356
RouteCounty Highway 0
StateTexas
Coordinates30.90024, -95.2249
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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 typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic60 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Port Blvd over Mill Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Port Blvd over Mill Creek 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 June 2023.

How much traffic does Port Blvd over Mill Creek carry?

About 100 vehicles per day (2018 count).

How long is Port Blvd over Mill Creek?

The structure is 180 ft (54.9 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Port Blvd over Mill Creek?

It is owned by the County Highway Agency.