US Bridges

FM 984 over Drainage Ditch

Fair

Ellis County, Texas · 1.7 MI NW of SH 34 · Structure no. 180710121102008

Built
1951
74 years old, rebuilt 2019
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
356
2020 count
Owner
State
State Highway Agency

About this bridge

FM 984 over Drainage Ditch is a concrete culvert carrying FM 984 over Drainage Ditch in Ellis County, Texas. It was built in 1951 and reconstructed in 2019, so it is 74 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 356 vehicles a day, roughly 6% of them trucks, projected to reach 370 by 2033. The structure is 23 ft (7 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesFM 984
CrossesDrainage Ditch
Location1.7 MI NW of SH 34
RouteState Highway 984
CountyEllis County
StateTexas
Coordinates32.28264, -96.70794
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 spans4
Design loadOther
Structure length23 ft (7 m)
Longest span5 ft (1.5 m)
Deck width46 ft (13.9 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic356 (2020)
Projected traffic370 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 FM 984 over Drainage Ditch built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2019.

What condition is FM 984 over Drainage Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does FM 984 over Drainage Ditch carry?

About 356 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is FM 984 over Drainage Ditch?

The structure is 23 ft (7 m) long with a longest span of 5 ft (1.5 m) and a deck 46 ft wide.

Who owns FM 984 over Drainage Ditch?

It is owned by the State Highway Agency.