US Bridges

SH 31 over Drainage Ditch

Good

Navarro County, Texas · 12.5 MI E of IH45 · Structure no. 181750016302047

Built
1972
53 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
9,044
2023 count
Owner
State
State Highway Agency

About this bridge

SH 31 over Drainage Ditch is a concrete culvert carrying SH 31 over Drainage Ditch in Navarro County, Texas. It was built in 1972, so it is 53 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 9,044 vehicles a day, roughly 16% of them trucks, projected to reach 13,940 by 2033. The structure is 28 ft (8.5 m) long and 95 ft wide.

CarriesSH 31
CrossesDrainage Ditch
Location12.5 MI E of IH45
RouteState Highway 31
StateTexas
Coordinates32.13226, -96.23536
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length28 ft (8.5 m)
Longest span6 ft (1.8 m)
Deck width95 ft (28.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,044 (2023)
Projected traffic13,940 by 2033
Trucks16%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 31 over Drainage Ditch built?

It was built in 1972, making it 53 years old in 2025.

What condition is SH 31 over Drainage Ditch 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 March 2024.

How much traffic does SH 31 over Drainage Ditch carry?

About 9,044 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SH 31 over Drainage Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 6 ft (1.8 m) and a deck 95 ft wide.

Who owns SH 31 over Drainage Ditch?

It is owned by the State Highway Agency.