US Bridges

FM 3047 over Middle Bosque River

Fair

McLennan County, Texas · 5.1 MI NE of SH 317 · Structure no. 091610312901001

Built
1976
49 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
326 ft
4 main spans
Daily traffic
906
2020 count
Owner
State
State Highway Agency

About this bridge

FM 3047 over Middle Bosque River is a steel continuous stringer/multi-beam or girder carrying FM 3047 over Middle Bosque River in McLennan County, Texas. It was built in 1976, so it is 49 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 906 vehicles a day, roughly 22% of them trucks, projected to reach 1,150 by 2037. The structure is 326 ft (99.4 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesFM 3047
CrossesMiddle Bosque River
Location5.1 MI NE of SH 317
RouteState Highway 3047
CountyMcLennan County
StateTexas
Coordinates31.50946, -97.36626
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
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadH 15
Structure length326 ft (99.4 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic906 (2020)
Projected traffic1,150 by 2037
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$2.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 3047 over Middle Bosque River built?

It was built in 1976, making it 49 years old in 2025.

What condition is FM 3047 over Middle 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 January 2023.

How much traffic does FM 3047 over Middle Bosque River carry?

About 906 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is FM 3047 over Middle Bosque River?

The structure is 326 ft (99.4 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns FM 3047 over Middle Bosque River?

It is owned by the State Highway Agency.