US Bridges

SH 56 over Bois Darc CR

Poor

Fannin County, Texas · 1.3 MI E of SH 78 · Structure no. 010750004506033

Built
1931
94 years old, rebuilt 1965
Condition
Poor
inspected December 2024
Type
Tee Beam
Concrete
Length
456 ft
16 main spans
Daily traffic
3,060
2023 count
Owner
State
State Highway Agency

About this bridge

SH 56 over Bois Darc CR is a concrete tee beam carrying SH 56 over Bois Darc CR in Fannin County, Texas. It was built in 1931 and reconstructed in 1965, so it is 94 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,060 vehicles a day, roughly 21% of them trucks, projected to reach 3,870 by 2033. The structure is 456 ft (139 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSH 56
CrossesBois Darc CR
Location1.3 MI E of SH 78
RouteState Highway 56
StateTexas
Coordinates33.5759, -96.15573
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans16
Design loadH 15
Structure length456 ft (139 m)
Longest span28 ft (8.5 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,060 (2023)
Projected traffic3,870 by 2033
Trucks21%
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 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 56 over Bois Darc CR built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1965.

What condition is SH 56 over Bois Darc CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does SH 56 over Bois Darc CR carry?

About 3,060 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SH 56 over Bois Darc CR?

The structure is 456 ft (139 m) long with a longest span of 28 ft (8.5 m) and a deck 44 ft wide.

Who owns SH 56 over Bois Darc CR?

It is owned by the State Highway Agency.