US Bridges

FM 1946 over Bynum Creek

Fair

Hill County, Texas · 0.7 MI E of SH 171 · Structure no. 091100182902001

Built
1955
70 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
293
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1946 over Bynum Creek is a concrete culvert carrying FM 1946 over Bynum Creek in Hill County, Texas. It was built in 1955, so it is 70 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 5 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 293 vehicles a day, roughly 36% of them trucks, projected to reach 310 by 2033. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM 1946
CrossesBynum Creek
Location0.7 MI E of SH 171
RouteState Highway 1946
StateTexas
Coordinates31.97678, -96.99334
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
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
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
DeckNot applicable
Main spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic293 (2020)
Projected traffic310 by 2033
Trucks36%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1946 over Bynum Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is FM 1946 over Bynum Creek 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 January 2023.

How much traffic does FM 1946 over Bynum Creek carry?

About 293 vehicles per day (2020 count), of which roughly 36% are trucks.

How long is FM 1946 over Bynum Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns FM 1946 over Bynum Creek?

It is owned by the State Highway Agency.