US Bridges

SH 31 over Harris Branch

Good

Navarro County, Texas · 0.67 MI W of Bus FM 2555 · Structure no. 181750016211390

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

About this bridge

SH 31 over Harris Branch is a prestressed concrete stringer/multi-beam or girder carrying SH 31 over Harris Branch 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 600 ft (182.9 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSH 31
CrossesHarris Branch
Location0.67 MI W of Bus FM 2555
RouteState Highway 31
StateTexas
Coordinates32.04673, -96.50835
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length600 ft (182.9 m)
Longest span120 ft (36.6 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
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 31 over Harris Branch built?

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

What condition is SH 31 over Harris 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 November 2023.

How much traffic does SH 31 over Harris Branch carry?

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

How long is SH 31 over Harris Branch?

The structure is 600 ft (182.9 m) long with a longest span of 120 ft (36.6 m) and a deck 44 ft wide.

Who owns SH 31 over Harris Branch?

It is owned by the State Highway Agency.