US Bridges

FM 56 over N Bosque River

Fair

Bosque County, Texas · 0.75 MI N of SH 6 · Structure no. 090180039801041

Built
2006
19 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
810 ft
6 main spans
Daily traffic
2,786
2020 count
Owner
State
State Highway Agency

About this bridge

FM 56 over N Bosque River is a prestressed concrete stringer/multi-beam or girder carrying FM 56 over N Bosque River in Bosque County, Texas. It was built in 2006, so it is 19 years old, younger 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 2,786 vehicles a day, roughly 12% of them trucks, projected to reach 2,500 by 2033. The structure is 810 ft (246.9 m) long and 46 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesFM 56
CrossesN Bosque River
Location0.75 MI N of SH 6
RouteState Highway 56
StateTexas
Coordinates31.66955, -97.46961
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6 (+2 approach)
Design loadHL 93
Structure length810 ft (246.9 m)
Longest span115 ft (35.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,786 (2020)
Projected traffic2,500 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 56 over N Bosque River built?

It was built in 2006, making it 19 years old in 2025.

What condition is FM 56 over N Bosque River 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 November 2024.

How much traffic does FM 56 over N Bosque River carry?

About 2,786 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is FM 56 over N Bosque River?

The structure is 810 ft (246.9 m) long with a longest span of 115 ft (35.1 m) and a deck 46 ft wide.

Who owns FM 56 over N Bosque River?

It is owned by the State Highway Agency.