US Bridges

FM 878 over Bone Branch

Fair

Ellis County, Texas · 2.5 MI W of FM 813 · Structure no. 180710059604031

Built
1951
74 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
77 ft
3 main spans
Daily traffic
2,398
2022 count
Owner
State
State Highway Agency

About this bridge

FM 878 over Bone Branch is a concrete slab carrying FM 878 over Bone Branch in Ellis County, Texas. It was built in 1951, 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 2,398 vehicles a day, roughly 6% of them trucks, projected to reach 2,270 by 2033. The structure is 77 ft (23.5 m) long and 21 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFM 878
CrossesBone Branch
Location2.5 MI W of FM 813
RouteState Highway 878
StateTexas
Coordinates32.41967, -96.72013
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length77 ft (23.5 m)
Longest span25 ft (7.6 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,398 (2022)
Projected traffic2,270 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 878 over Bone Branch built?

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

What condition is FM 878 over Bone Branch 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 2024.

How much traffic does FM 878 over Bone Branch carry?

About 2,398 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is FM 878 over Bone Branch?

The structure is 77 ft (23.5 m) long with a longest span of 25 ft (7.6 m) and a deck 21 ft wide.

Who owns FM 878 over Bone Branch?

It is owned by the State Highway Agency.