US Bridges

SH 31 over UPRR Ennis Sub

Good

Navarro County, Texas · 0.3 MI W of IH 45 · Structure no. 181750016211391

Built
2020
5 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,920 ft
19 main spans
Daily traffic
6,818
2014 count
Owner
State
State Highway Agency

About this bridge

SH 31 over UPRR Ennis Sub is a prestressed concrete stringer/multi-beam or girder carrying SH 31 over UPRR Ennis Sub in Navarro County, Texas. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,818 vehicles a day, roughly 17% of them trucks, projected to reach 1 by 1900. The structure is 1,920 ft (585.2 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSH 31
CrossesUPRR Ennis Sub
Location0.3 MI W of IH 45
RouteState Highway 31
CountyNavarro County
StateTexas
Coordinates32.0409, -96.45321
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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, cast-in-place
Main spans19
Design loadHL 93
Structure length1,920 ft (585.2 m)
Longest span110 ft (33.5 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,818 (2014)
Projected traffic1 by 1900
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 31 over UPRR Ennis Sub built?

It was built in 2020, making it 5 years old in 2025.

What condition is SH 31 over UPRR Ennis Sub 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 November 2023.

How much traffic does SH 31 over UPRR Ennis Sub carry?

About 6,818 vehicles per day (2014 count), of which roughly 17% are trucks.

How long is SH 31 over UPRR Ennis Sub?

The structure is 1,920 ft (585.2 m) long with a longest span of 110 ft (33.5 m) and a deck 44 ft wide.

Who owns SH 31 over UPRR Ennis Sub?

It is owned by the State Highway Agency.